Home / 242,356-518,408

Finding the Third Proportional to 242,356 and 518,408

Calculator

Solution

The third proportional to 242,356 and 518,408 is: 1,108,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,356 : 518,408 = 518,408 : x
  2. Step 2: Convert to fraction form
    242,356/518,408 = 518,408/x
  3. Step 3: Cross multiply
    242,356x = 518,408 × 518,408
  4. Step 4: Simplify right side
    242,356x = 268,746,854,464
  5. Step 5: Solve for x
    x = 268,746,854,464/242,356
  6. Step 6: Final answer
    x = 1,108,892.93

Related Problems

Find third proportional to 121,178 and 259,204
Half scale
Find third proportional to 484,712 and 1,036,816
Double scale
Find third proportional to 242,358 and 518,412
Similar ratio
Find third proportional to 363,534 and 777,612
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.