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Finding the Third Proportional to 3,543.75 and 5,605.88

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Solution

The third proportional to 3,543.75 and 5,605.88 is: 8,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.75 : 5,605.88 = 5,605.88 : x
  2. Step 2: Convert to fraction form
    3,543.75/5,605.88 = 5,605.88/x
  3. Step 3: Cross multiply
    3,543.75x = 5,605.88 × 5,605.88
  4. Step 4: Simplify right side
    3,543.75x = 31,425,834.52
  5. Step 5: Solve for x
    x = 31,425,834.52/3,543.75
  6. Step 6: Final answer
    x = 8,867.96

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.