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Finding the Third Proportional to 765.56 and 1,650.94

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Solution

The third proportional to 765.56 and 1,650.94 is: 3,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    765.56 : 1,650.94 = 1,650.94 : x
  2. Step 2: Convert to fraction form
    765.56/1,650.94 = 1,650.94/x
  3. Step 3: Cross multiply
    765.56x = 1,650.94 × 1,650.94
  4. Step 4: Simplify right side
    765.56x = 2,725,594.63
  5. Step 5: Solve for x
    x = 2,725,594.63/765.56
  6. Step 6: Final answer
    x = 3,560.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.