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Finding the Third Proportional to 14,940 and 17,292

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Solution

The third proportional to 14,940 and 17,292 is: 20,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940 : 17,292 = 17,292 : x
  2. Step 2: Convert to fraction form
    14,940/17,292 = 17,292/x
  3. Step 3: Cross multiply
    14,940x = 17,292 × 17,292
  4. Step 4: Simplify right side
    14,940x = 299,013,264
  5. Step 5: Solve for x
    x = 299,013,264/14,940
  6. Step 6: Final answer
    x = 20,014.27

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.