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Finding the Third Proportional to 337.75 and 488.13

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Solution

The third proportional to 337.75 and 488.13 is: 705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.75 : 488.13 = 488.13 : x
  2. Step 2: Convert to fraction form
    337.75/488.13 = 488.13/x
  3. Step 3: Cross multiply
    337.75x = 488.13 × 488.13
  4. Step 4: Simplify right side
    337.75x = 238,266.02
  5. Step 5: Solve for x
    x = 238,266.02/337.75
  6. Step 6: Final answer
    x = 705.45

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.