Home / 156,440-242,344

Finding the Third Proportional to 156,440 and 242,344

Calculator

Solution

The third proportional to 156,440 and 242,344 is: 375,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,440 : 242,344 = 242,344 : x
  2. Step 2: Convert to fraction form
    156,440/242,344 = 242,344/x
  3. Step 3: Cross multiply
    156,440x = 242,344 × 242,344
  4. Step 4: Simplify right side
    156,440x = 58,730,614,336
  5. Step 5: Solve for x
    x = 58,730,614,336/156,440
  6. Step 6: Final answer
    x = 375,419.42

Related Problems

Find third proportional to 78,220 and 121,172
Half scale
Find third proportional to 312,880 and 484,688
Double scale
Find third proportional to 156,442 and 242,347
Similar ratio
Find third proportional to 234,660 and 363,516
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.