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Finding the Third Proportional to 11,732 and 15,928

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Solution

The third proportional to 11,732 and 15,928 is: 21,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732 : 15,928 = 15,928 : x
  2. Step 2: Convert to fraction form
    11,732/15,928 = 15,928/x
  3. Step 3: Cross multiply
    11,732x = 15,928 × 15,928
  4. Step 4: Simplify right side
    11,732x = 253,701,184
  5. Step 5: Solve for x
    x = 253,701,184/11,732
  6. Step 6: Final answer
    x = 21,624.72

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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.