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Finding the Third Proportional to 11,432 and 15,527

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Solution

The third proportional to 11,432 and 15,527 is: 21,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432 : 15,527 = 15,527 : x
  2. Step 2: Convert to fraction form
    11,432/15,527 = 15,527/x
  3. Step 3: Cross multiply
    11,432x = 15,527 × 15,527
  4. Step 4: Simplify right side
    11,432x = 241,087,729
  5. Step 5: Solve for x
    x = 241,087,729/11,432
  6. Step 6: Final answer
    x = 21,088.85

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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.