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Finding the Third Proportional to 7,489 and 16,362

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Solution

The third proportional to 7,489 and 16,362 is: 35,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489 : 16,362 = 16,362 : x
  2. Step 2: Convert to fraction form
    7,489/16,362 = 16,362/x
  3. Step 3: Cross multiply
    7,489x = 16,362 × 16,362
  4. Step 4: Simplify right side
    7,489x = 267,715,044
  5. Step 5: Solve for x
    x = 267,715,044/7,489
  6. Step 6: Final answer
    x = 35,747.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.