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Finding the Third Proportional to 5,857.31 and 8,907.47

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Solution

The third proportional to 5,857.31 and 8,907.47 is: 13,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.31 : 8,907.47 = 8,907.47 : x
  2. Step 2: Convert to fraction form
    5,857.31/8,907.47 = 8,907.47/x
  3. Step 3: Cross multiply
    5,857.31x = 8,907.47 × 8,907.47
  4. Step 4: Simplify right side
    5,857.31x = 79,342,999.53
  5. Step 5: Solve for x
    x = 79,342,999.53/5,857.31
  6. Step 6: Final answer
    x = 13,545.97

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.