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Finding the Third Proportional to 370.13 and 651.75

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Solution

The third proportional to 370.13 and 651.75 is: 1,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.13 : 651.75 = 651.75 : x
  2. Step 2: Convert to fraction form
    370.13/651.75 = 651.75/x
  3. Step 3: Cross multiply
    370.13x = 651.75 × 651.75
  4. Step 4: Simplify right side
    370.13x = 424,778.06
  5. Step 5: Solve for x
    x = 424,778.06/370.13
  6. Step 6: Final answer
    x = 1,147.66

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.