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Finding the Third Proportional to 753.05 and 1,641.52

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Solution

The third proportional to 753.05 and 1,641.52 is: 3,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    753.05 : 1,641.52 = 1,641.52 : x
  2. Step 2: Convert to fraction form
    753.05/1,641.52 = 1,641.52/x
  3. Step 3: Cross multiply
    753.05x = 1,641.52 × 1,641.52
  4. Step 4: Simplify right side
    753.05x = 2,694,573.55
  5. Step 5: Solve for x
    x = 2,694,573.55/753.05
  6. Step 6: Final answer
    x = 3,578.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.