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Finding the Third Proportional to 750.66 and 1,143.56

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Solution

The third proportional to 750.66 and 1,143.56 is: 1,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.66 : 1,143.56 = 1,143.56 : x
  2. Step 2: Convert to fraction form
    750.66/1,143.56 = 1,143.56/x
  3. Step 3: Cross multiply
    750.66x = 1,143.56 × 1,143.56
  4. Step 4: Simplify right side
    750.66x = 1,307,735.19
  5. Step 5: Solve for x
    x = 1,307,735.19/750.66
  6. Step 6: Final answer
    x = 1,742.12

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.