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Finding the Third Proportional to 7,582 and 8,398

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Solution

The third proportional to 7,582 and 8,398 is: 9,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582 : 8,398 = 8,398 : x
  2. Step 2: Convert to fraction form
    7,582/8,398 = 8,398/x
  3. Step 3: Cross multiply
    7,582x = 8,398 × 8,398
  4. Step 4: Simplify right side
    7,582x = 70,526,404
  5. Step 5: Solve for x
    x = 70,526,404/7,582
  6. Step 6: Final answer
    x = 9,301.82

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.