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Finding the Third Proportional to 12,660 and 29,579

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Solution

The third proportional to 12,660 and 29,579 is: 69,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660 : 29,579 = 29,579 : x
  2. Step 2: Convert to fraction form
    12,660/29,579 = 29,579/x
  3. Step 3: Cross multiply
    12,660x = 29,579 × 29,579
  4. Step 4: Simplify right side
    12,660x = 874,917,241
  5. Step 5: Solve for x
    x = 874,917,241/12,660
  6. Step 6: Final answer
    x = 69,108.79

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.