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Finding the Third Proportional to 763.13 and 1,144.69

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Solution

The third proportional to 763.13 and 1,144.69 is: 1,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    763.13 : 1,144.69 = 1,144.69 : x
  2. Step 2: Convert to fraction form
    763.13/1,144.69 = 1,144.69/x
  3. Step 3: Cross multiply
    763.13x = 1,144.69 × 1,144.69
  4. Step 4: Simplify right side
    763.13x = 1,310,309.47
  5. Step 5: Solve for x
    x = 1,310,309.47/763.13
  6. Step 6: Final answer
    x = 1,717.03

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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.