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Finding the Third Proportional to 750.94 and 1,066.78

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Solution

The third proportional to 750.94 and 1,066.78 is: 1,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.94 : 1,066.78 = 1,066.78 : x
  2. Step 2: Convert to fraction form
    750.94/1,066.78 = 1,066.78/x
  3. Step 3: Cross multiply
    750.94x = 1,066.78 × 1,066.78
  4. Step 4: Simplify right side
    750.94x = 1,138,022.24
  5. Step 5: Solve for x
    x = 1,138,022.24/750.94
  6. Step 6: Final answer
    x = 1,515.47

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.