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Finding the Third Proportional to 5,131 and 5,887

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Solution

The third proportional to 5,131 and 5,887 is: 6,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131 : 5,887 = 5,887 : x
  2. Step 2: Convert to fraction form
    5,131/5,887 = 5,887/x
  3. Step 3: Cross multiply
    5,131x = 5,887 × 5,887
  4. Step 4: Simplify right side
    5,131x = 34,656,769
  5. Step 5: Solve for x
    x = 34,656,769/5,131
  6. Step 6: Final answer
    x = 6,754.39

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.