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Finding the Third Proportional to 966.38 and 1,209.94

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Solution

The third proportional to 966.38 and 1,209.94 is: 1,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.38 : 1,209.94 = 1,209.94 : x
  2. Step 2: Convert to fraction form
    966.38/1,209.94 = 1,209.94/x
  3. Step 3: Cross multiply
    966.38x = 1,209.94 × 1,209.94
  4. Step 4: Simplify right side
    966.38x = 1,463,948.75
  5. Step 5: Solve for x
    x = 1,463,948.75/966.38
  6. Step 6: Final answer
    x = 1,514.89

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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.