Home / 68,409-102,339

Finding the Third Proportional to 68,409 and 102,339

Calculator

Solution

The third proportional to 68,409 and 102,339 is: 153,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,409 : 102,339 = 102,339 : x
  2. Step 2: Convert to fraction form
    68,409/102,339 = 102,339/x
  3. Step 3: Cross multiply
    68,409x = 102,339 × 102,339
  4. Step 4: Simplify right side
    68,409x = 10,473,270,921
  5. Step 5: Solve for x
    x = 10,473,270,921/68,409
  6. Step 6: Final answer
    x = 153,097.85

Related Problems

Find third proportional to 34,204.50 and 51,169.50
Half scale
Find third proportional to 136,818 and 204,678
Double scale
Find third proportional to 68,411 and 102,342
Similar ratio
Find third proportional to 102,613.50 and 153,508.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.