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Finding the Third Proportional to 5,674 and 8,908

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Solution

The third proportional to 5,674 and 8,908 is: 13,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674 : 8,908 = 8,908 : x
  2. Step 2: Convert to fraction form
    5,674/8,908 = 8,908/x
  3. Step 3: Cross multiply
    5,674x = 8,908 × 8,908
  4. Step 4: Simplify right side
    5,674x = 79,352,464
  5. Step 5: Solve for x
    x = 79,352,464/5,674
  6. Step 6: Final answer
    x = 13,985.28

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.