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Finding the Third Proportional to 372.50 and 559.75

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Solution

The third proportional to 372.50 and 559.75 is: 841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.50 : 559.75 = 559.75 : x
  2. Step 2: Convert to fraction form
    372.50/559.75 = 559.75/x
  3. Step 3: Cross multiply
    372.50x = 559.75 × 559.75
  4. Step 4: Simplify right side
    372.50x = 313,320.06
  5. Step 5: Solve for x
    x = 313,320.06/372.50
  6. Step 6: Final answer
    x = 841.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.