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Finding the Third Proportional to 3,959.25 and 6,155.25

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Solution

The third proportional to 3,959.25 and 6,155.25 is: 9,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.25 : 6,155.25 = 6,155.25 : x
  2. Step 2: Convert to fraction form
    3,959.25/6,155.25 = 6,155.25/x
  3. Step 3: Cross multiply
    3,959.25x = 6,155.25 × 6,155.25
  4. Step 4: Simplify right side
    3,959.25x = 37,887,102.56
  5. Step 5: Solve for x
    x = 37,887,102.56/3,959.25
  6. Step 6: Final answer
    x = 9,569.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.