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Finding the Third Proportional to 9,278 and 16,522

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Solution

The third proportional to 9,278 and 16,522 is: 29,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278 : 16,522 = 16,522 : x
  2. Step 2: Convert to fraction form
    9,278/16,522 = 16,522/x
  3. Step 3: Cross multiply
    9,278x = 16,522 × 16,522
  4. Step 4: Simplify right side
    9,278x = 272,976,484
  5. Step 5: Solve for x
    x = 272,976,484/9,278
  6. Step 6: Final answer
    x = 29,421.91

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.