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Finding the Third Proportional to 5,249 and 5,681

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Solution

The third proportional to 5,249 and 5,681 is: 6,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249 : 5,681 = 5,681 : x
  2. Step 2: Convert to fraction form
    5,249/5,681 = 5,681/x
  3. Step 3: Cross multiply
    5,249x = 5,681 × 5,681
  4. Step 4: Simplify right side
    5,249x = 32,273,761
  5. Step 5: Solve for x
    x = 32,273,761/5,249
  6. Step 6: Final answer
    x = 6,148.55

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.