Home / 438,076,544-655,750,128

Finding the Third Proportional to 438,076,544 and 655,750,128

Calculator

Solution

The third proportional to 438,076,544 and 655,750,128 is: 981,582,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,076,544 : 655,750,128 = 655,750,128 : x
  2. Step 2: Convert to fraction form
    438,076,544/655,750,128 = 655,750,128/x
  3. Step 3: Cross multiply
    438,076,544x = 655,750,128 × 655,750,128
  4. Step 4: Simplify right side
    438,076,544x = 430,008,230,372,016,384
  5. Step 5: Solve for x
    x = 430,008,230,372,016,384/438,076,544
  6. Step 6: Final answer
    x = 981,582,411.25

Related Problems

Find third proportional to 219,038,272 and 327,875,064
Half scale
Find third proportional to 876,153,088 and 1,311,500,256
Double scale
Find third proportional to 438,076,546 and 655,750,131
Similar ratio
Find third proportional to 657,114,816 and 983,625,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.