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Finding the Third Proportional to 372.38 and 583.88

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Solution

The third proportional to 372.38 and 583.88 is: 915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.38 : 583.88 = 583.88 : x
  2. Step 2: Convert to fraction form
    372.38/583.88 = 583.88/x
  3. Step 3: Cross multiply
    372.38x = 583.88 × 583.88
  4. Step 4: Simplify right side
    372.38x = 340,910.02
  5. Step 5: Solve for x
    x = 340,910.02/372.38
  6. Step 6: Final answer
    x = 915.50

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.