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Finding the Third Proportional to 9,972 and 15,564

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Solution

The third proportional to 9,972 and 15,564 is: 24,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972 : 15,564 = 15,564 : x
  2. Step 2: Convert to fraction form
    9,972/15,564 = 15,564/x
  3. Step 3: Cross multiply
    9,972x = 15,564 × 15,564
  4. Step 4: Simplify right side
    9,972x = 242,238,096
  5. Step 5: Solve for x
    x = 242,238,096/9,972
  6. Step 6: Final answer
    x = 24,291.83

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.