Home / 258,718-565,530

Finding the Third Proportional to 258,718 and 565,530

Calculator

Solution

The third proportional to 258,718 and 565,530 is: 1,236,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,718 : 565,530 = 565,530 : x
  2. Step 2: Convert to fraction form
    258,718/565,530 = 565,530/x
  3. Step 3: Cross multiply
    258,718x = 565,530 × 565,530
  4. Step 4: Simplify right side
    258,718x = 319,824,180,900
  5. Step 5: Solve for x
    x = 319,824,180,900/258,718
  6. Step 6: Final answer
    x = 1,236,188.36

Related Problems

Find third proportional to 129,359 and 282,765
Half scale
Find third proportional to 517,436 and 1,131,060
Double scale
Find third proportional to 258,720 and 565,534
Similar ratio
Find third proportional to 388,077 and 848,295
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.