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Finding the Third Proportional to 601.17 and 1,390.92

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Solution

The third proportional to 601.17 and 1,390.92 is: 3,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.17 : 1,390.92 = 1,390.92 : x
  2. Step 2: Convert to fraction form
    601.17/1,390.92 = 1,390.92/x
  3. Step 3: Cross multiply
    601.17x = 1,390.92 × 1,390.92
  4. Step 4: Simplify right side
    601.17x = 1,934,663.66
  5. Step 5: Solve for x
    x = 1,934,663.66/601.17
  6. Step 6: Final answer
    x = 3,218.15

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.