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Finding the Third Proportional to 333.56 and 616.13

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Solution

The third proportional to 333.56 and 616.13 is: 1,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.56 : 616.13 = 616.13 : x
  2. Step 2: Convert to fraction form
    333.56/616.13 = 616.13/x
  3. Step 3: Cross multiply
    333.56x = 616.13 × 616.13
  4. Step 4: Simplify right side
    333.56x = 379,610.02
  5. Step 5: Solve for x
    x = 379,610.02/333.56
  6. Step 6: Final answer
    x = 1,138.05

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.