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Finding the Third Proportional to 601.80 and 807.79

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Solution

The third proportional to 601.80 and 807.79 is: 1,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.80 : 807.79 = 807.79 : x
  2. Step 2: Convert to fraction form
    601.80/807.79 = 807.79/x
  3. Step 3: Cross multiply
    601.80x = 807.79 × 807.79
  4. Step 4: Simplify right side
    601.80x = 652,516.86
  5. Step 5: Solve for x
    x = 652,516.86/601.80
  6. Step 6: Final answer
    x = 1,084.27

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.