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Finding the Third Proportional to 750.94 and 1,591.31

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Solution

The third proportional to 750.94 and 1,591.31 is: 3,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.94 : 1,591.31 = 1,591.31 : x
  2. Step 2: Convert to fraction form
    750.94/1,591.31 = 1,591.31/x
  3. Step 3: Cross multiply
    750.94x = 1,591.31 × 1,591.31
  4. Step 4: Simplify right side
    750.94x = 2,532,275.47
  5. Step 5: Solve for x
    x = 2,532,275.47/750.94
  6. Step 6: Final answer
    x = 3,372.15

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.