Home / 68,408-168,708

Finding the Third Proportional to 68,408 and 168,708

Calculator

Solution

The third proportional to 68,408 and 168,708 is: 416,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,408 : 168,708 = 168,708 : x
  2. Step 2: Convert to fraction form
    68,408/168,708 = 168,708/x
  3. Step 3: Cross multiply
    68,408x = 168,708 × 168,708
  4. Step 4: Simplify right side
    68,408x = 28,462,389,264
  5. Step 5: Solve for x
    x = 28,462,389,264/68,408
  6. Step 6: Final answer
    x = 416,068.14

Related Problems

Find third proportional to 34,204 and 84,354
Half scale
Find third proportional to 136,816 and 337,416
Double scale
Find third proportional to 68,410 and 168,713
Similar ratio
Find third proportional to 102,612 and 253,062
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.