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Finding the Third Proportional to 15,387 and 23,772

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Solution

The third proportional to 15,387 and 23,772 is: 36,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387 : 23,772 = 23,772 : x
  2. Step 2: Convert to fraction form
    15,387/23,772 = 23,772/x
  3. Step 3: Cross multiply
    15,387x = 23,772 × 23,772
  4. Step 4: Simplify right side
    15,387x = 565,107,984
  5. Step 5: Solve for x
    x = 565,107,984/15,387
  6. Step 6: Final answer
    x = 36,726.33

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.