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Finding the Third Proportional to 12,129 and 29,025

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Solution

The third proportional to 12,129 and 29,025 is: 69,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129 : 29,025 = 29,025 : x
  2. Step 2: Convert to fraction form
    12,129/29,025 = 29,025/x
  3. Step 3: Cross multiply
    12,129x = 29,025 × 29,025
  4. Step 4: Simplify right side
    12,129x = 842,450,625
  5. Step 5: Solve for x
    x = 842,450,625/12,129
  6. Step 6: Final answer
    x = 69,457.55

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.