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Finding the Third Proportional to 9,960 and 15,545

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Solution

The third proportional to 9,960 and 15,545 is: 24,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960 : 15,545 = 15,545 : x
  2. Step 2: Convert to fraction form
    9,960/15,545 = 15,545/x
  3. Step 3: Cross multiply
    9,960x = 15,545 × 15,545
  4. Step 4: Simplify right side
    9,960x = 241,647,025
  5. Step 5: Solve for x
    x = 241,647,025/9,960
  6. Step 6: Final answer
    x = 24,261.75

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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.