Home / 118,708,820-257,721,480

Finding the Third Proportional to 118,708,820 and 257,721,480

Calculator

Solution

The third proportional to 118,708,820 and 257,721,480 is: 559,523,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,708,820 : 257,721,480 = 257,721,480 : x
  2. Step 2: Convert to fraction form
    118,708,820/257,721,480 = 257,721,480/x
  3. Step 3: Cross multiply
    118,708,820x = 257,721,480 × 257,721,480
  4. Step 4: Simplify right side
    118,708,820x = 66,420,361,253,390,400
  5. Step 5: Solve for x
    x = 66,420,361,253,390,400/118,708,820
  6. Step 6: Final answer
    x = 559,523,388.86

Related Problems

Find third proportional to 59,354,410 and 128,860,740
Half scale
Find third proportional to 237,417,640 and 515,442,960
Double scale
Find third proportional to 118,708,822 and 257,721,484
Similar ratio
Find third proportional to 178,063,230 and 386,582,220
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.