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Finding the Third Proportional to 15,138 and 23,535

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Solution

The third proportional to 15,138 and 23,535 is: 36,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138 : 23,535 = 23,535 : x
  2. Step 2: Convert to fraction form
    15,138/23,535 = 23,535/x
  3. Step 3: Cross multiply
    15,138x = 23,535 × 23,535
  4. Step 4: Simplify right side
    15,138x = 553,896,225
  5. Step 5: Solve for x
    x = 553,896,225/15,138
  6. Step 6: Final answer
    x = 36,589.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.