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Finding the Third Proportional to 9,976 and 13,292

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Solution

The third proportional to 9,976 and 13,292 is: 17,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976 : 13,292 = 13,292 : x
  2. Step 2: Convert to fraction form
    9,976/13,292 = 13,292/x
  3. Step 3: Cross multiply
    9,976x = 13,292 × 13,292
  4. Step 4: Simplify right side
    9,976x = 176,677,264
  5. Step 5: Solve for x
    x = 176,677,264/9,976
  6. Step 6: Final answer
    x = 17,710.23

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.