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Finding the Third Proportional to 9,902 and 14,934

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Solution

The third proportional to 9,902 and 14,934 is: 22,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902 : 14,934 = 14,934 : x
  2. Step 2: Convert to fraction form
    9,902/14,934 = 14,934/x
  3. Step 3: Cross multiply
    9,902x = 14,934 × 14,934
  4. Step 4: Simplify right side
    9,902x = 223,024,356
  5. Step 5: Solve for x
    x = 223,024,356/9,902
  6. Step 6: Final answer
    x = 22,523.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.