Home / 257,300,550-397,572,006.38

Finding the Third Proportional to 257,300,550 and 397,572,006.38

Calculator

Solution

The third proportional to 257,300,550 and 397,572,006.38 is: 614,314,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,300,550 : 397,572,006.38 = 397,572,006.38 : x
  2. Step 2: Convert to fraction form
    257,300,550/397,572,006.38 = 397,572,006.38/x
  3. Step 3: Cross multiply
    257,300,550x = 397,572,006.38 × 397,572,006.38
  4. Step 4: Simplify right side
    257,300,550x = 158,063,500,253,043,040
  5. Step 5: Solve for x
    x = 158,063,500,253,043,040/257,300,550
  6. Step 6: Final answer
    x = 614,314,661.41

Related Problems

Find third proportional to 128,650,275 and 198,786,003.19
Half scale
Find third proportional to 514,601,100 and 795,144,012.75
Double scale
Find third proportional to 257,300,552 and 397,572,009
Similar ratio
Find third proportional to 385,950,825 and 596,358,009.56
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.