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Finding the Third Proportional to 762.94 and 1,179.56

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Solution

The third proportional to 762.94 and 1,179.56 is: 1,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    762.94 : 1,179.56 = 1,179.56 : x
  2. Step 2: Convert to fraction form
    762.94/1,179.56 = 1,179.56/x
  3. Step 3: Cross multiply
    762.94x = 1,179.56 × 1,179.56
  4. Step 4: Simplify right side
    762.94x = 1,391,367.69
  5. Step 5: Solve for x
    x = 1,391,367.69/762.94
  6. Step 6: Final answer
    x = 1,823.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.