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Finding the Third Proportional to 753.05 and 1,657.97

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Solution

The third proportional to 753.05 and 1,657.97 is: 3,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    753.05 : 1,657.97 = 1,657.97 : x
  2. Step 2: Convert to fraction form
    753.05/1,657.97 = 1,657.97/x
  3. Step 3: Cross multiply
    753.05x = 1,657.97 × 1,657.97
  4. Step 4: Simplify right side
    753.05x = 2,748,860.38
  5. Step 5: Solve for x
    x = 2,748,860.38/753.05
  6. Step 6: Final answer
    x = 3,650.32

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.