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Finding the Third Proportional to 5,757 and 8,634

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Solution

The third proportional to 5,757 and 8,634 is: 12,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757 : 8,634 = 8,634 : x
  2. Step 2: Convert to fraction form
    5,757/8,634 = 8,634/x
  3. Step 3: Cross multiply
    5,757x = 8,634 × 8,634
  4. Step 4: Simplify right side
    5,757x = 74,545,956
  5. Step 5: Solve for x
    x = 74,545,956/5,757
  6. Step 6: Final answer
    x = 12,948.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.