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Finding the Third Proportional to 15,901 and 21,595

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Solution

The third proportional to 15,901 and 21,595 is: 29,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901 : 21,595 = 21,595 : x
  2. Step 2: Convert to fraction form
    15,901/21,595 = 21,595/x
  3. Step 3: Cross multiply
    15,901x = 21,595 × 21,595
  4. Step 4: Simplify right side
    15,901x = 466,344,025
  5. Step 5: Solve for x
    x = 466,344,025/15,901
  6. Step 6: Final answer
    x = 29,327.97

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.