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Finding the Third Proportional to 10,656 and 16,545

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Solution

The third proportional to 10,656 and 16,545 is: 25,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656 : 16,545 = 16,545 : x
  2. Step 2: Convert to fraction form
    10,656/16,545 = 16,545/x
  3. Step 3: Cross multiply
    10,656x = 16,545 × 16,545
  4. Step 4: Simplify right side
    10,656x = 273,737,025
  5. Step 5: Solve for x
    x = 273,737,025/10,656
  6. Step 6: Final answer
    x = 25,688.53

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.