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Finding the Third Proportional to 60,008 and 129,250

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Solution

The third proportional to 60,008 and 129,250 is: 278,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,008 : 129,250 = 129,250 : x
  2. Step 2: Convert to fraction form
    60,008/129,250 = 129,250/x
  3. Step 3: Cross multiply
    60,008x = 129,250 × 129,250
  4. Step 4: Simplify right side
    60,008x = 16,705,562,500
  5. Step 5: Solve for x
    x = 16,705,562,500/60,008
  6. Step 6: Final answer
    x = 278,388.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.