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Finding the Third Proportional to 1,265 and 1,963

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Solution

The third proportional to 1,265 and 1,963 is: 3,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265 : 1,963 = 1,963 : x
  2. Step 2: Convert to fraction form
    1,265/1,963 = 1,963/x
  3. Step 3: Cross multiply
    1,265x = 1,963 × 1,963
  4. Step 4: Simplify right side
    1,265x = 3,853,369
  5. Step 5: Solve for x
    x = 3,853,369/1,265
  6. Step 6: Final answer
    x = 3,046.14

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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.