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Finding the Third Proportional to 11,521 and 17,292

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Solution

The third proportional to 11,521 and 17,292 is: 25,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521 : 17,292 = 17,292 : x
  2. Step 2: Convert to fraction form
    11,521/17,292 = 17,292/x
  3. Step 3: Cross multiply
    11,521x = 17,292 × 17,292
  4. Step 4: Simplify right side
    11,521x = 299,013,264
  5. Step 5: Solve for x
    x = 299,013,264/11,521
  6. Step 6: Final answer
    x = 25,953.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.