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Finding the Third Proportional to 370.50 and 565.13

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Solution

The third proportional to 370.50 and 565.13 is: 861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.50 : 565.13 = 565.13 : x
  2. Step 2: Convert to fraction form
    370.50/565.13 = 565.13/x
  3. Step 3: Cross multiply
    370.50x = 565.13 × 565.13
  4. Step 4: Simplify right side
    370.50x = 319,366.27
  5. Step 5: Solve for x
    x = 319,366.27/370.50
  6. Step 6: Final answer
    x = 861.99

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.