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Finding the Third Proportional to 3,731.06 and 5,487.75

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Solution

The third proportional to 3,731.06 and 5,487.75 is: 8,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.06 : 5,487.75 = 5,487.75 : x
  2. Step 2: Convert to fraction form
    3,731.06/5,487.75 = 5,487.75/x
  3. Step 3: Cross multiply
    3,731.06x = 5,487.75 × 5,487.75
  4. Step 4: Simplify right side
    3,731.06x = 30,115,400.06
  5. Step 5: Solve for x
    x = 30,115,400.06/3,731.06
  6. Step 6: Final answer
    x = 8,071.53

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.