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Finding the Third Proportional to 60.07 and 129.75

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Solution

The third proportional to 60.07 and 129.75 is: 280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.07 : 129.75 = 129.75 : x
  2. Step 2: Convert to fraction form
    60.07/129.75 = 129.75/x
  3. Step 3: Cross multiply
    60.07x = 129.75 × 129.75
  4. Step 4: Simplify right side
    60.07x = 16,834.11
  5. Step 5: Solve for x
    x = 16,834.11/60.07
  6. Step 6: Final answer
    x = 280.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.