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Finding the Third Proportional to 60.87 and 124.94

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Solution

The third proportional to 60.87 and 124.94 is: 256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.87 : 124.94 = 124.94 : x
  2. Step 2: Convert to fraction form
    60.87/124.94 = 124.94/x
  3. Step 3: Cross multiply
    60.87x = 124.94 × 124.94
  4. Step 4: Simplify right side
    60.87x = 15,610.23
  5. Step 5: Solve for x
    x = 15,610.23/60.87
  6. Step 6: Final answer
    x = 256.46

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.