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Finding the Third Proportional to 5,126 and 5,855

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Solution

The third proportional to 5,126 and 5,855 is: 6,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126 : 5,855 = 5,855 : x
  2. Step 2: Convert to fraction form
    5,126/5,855 = 5,855/x
  3. Step 3: Cross multiply
    5,126x = 5,855 × 5,855
  4. Step 4: Simplify right side
    5,126x = 34,281,025
  5. Step 5: Solve for x
    x = 34,281,025/5,126
  6. Step 6: Final answer
    x = 6,687.68

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.