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Finding the Third Proportional to 29,679 and 63,123

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Solution

The third proportional to 29,679 and 63,123 is: 134,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679 : 63,123 = 63,123 : x
  2. Step 2: Convert to fraction form
    29,679/63,123 = 63,123/x
  3. Step 3: Cross multiply
    29,679x = 63,123 × 63,123
  4. Step 4: Simplify right side
    29,679x = 3,984,513,129
  5. Step 5: Solve for x
    x = 3,984,513,129/29,679
  6. Step 6: Final answer
    x = 134,253.62

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.