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Finding the Third Proportional to 337.61 and 753.05

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Solution

The third proportional to 337.61 and 753.05 is: 1,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.61 : 753.05 = 753.05 : x
  2. Step 2: Convert to fraction form
    337.61/753.05 = 753.05/x
  3. Step 3: Cross multiply
    337.61x = 753.05 × 753.05
  4. Step 4: Simplify right side
    337.61x = 567,079.60
  5. Step 5: Solve for x
    x = 567,079.60/337.61
  6. Step 6: Final answer
    x = 1,679.71

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.