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Finding the Third Proportional to 5,078 and 5,726

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Solution

The third proportional to 5,078 and 5,726 is: 6,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078 : 5,726 = 5,726 : x
  2. Step 2: Convert to fraction form
    5,078/5,726 = 5,726/x
  3. Step 3: Cross multiply
    5,078x = 5,726 × 5,726
  4. Step 4: Simplify right side
    5,078x = 32,787,076
  5. Step 5: Solve for x
    x = 32,787,076/5,078
  6. Step 6: Final answer
    x = 6,456.69

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.