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Finding the Third Proportional to 3,476.25 and 5,387.06

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Solution

The third proportional to 3,476.25 and 5,387.06 is: 8,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.25 : 5,387.06 = 5,387.06 : x
  2. Step 2: Convert to fraction form
    3,476.25/5,387.06 = 5,387.06/x
  3. Step 3: Cross multiply
    3,476.25x = 5,387.06 × 5,387.06
  4. Step 4: Simplify right side
    3,476.25x = 29,020,442.38
  5. Step 5: Solve for x
    x = 29,020,442.38/3,476.25
  6. Step 6: Final answer
    x = 8,348.20

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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.