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Finding the Third Proportional to 766.13 and 957.66

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Solution

The third proportional to 766.13 and 957.66 is: 1,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    766.13 : 957.66 = 957.66 : x
  2. Step 2: Convert to fraction form
    766.13/957.66 = 957.66/x
  3. Step 3: Cross multiply
    766.13x = 957.66 × 957.66
  4. Step 4: Simplify right side
    766.13x = 917,105.49
  5. Step 5: Solve for x
    x = 917,105.49/766.13
  6. Step 6: Final answer
    x = 1,197.07

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Why These Related Problems?

These problems maintain the same ratio (1.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.