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Finding the Third Proportional to 898.38 and 1,963.20

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Solution

The third proportional to 898.38 and 1,963.20 is: 4,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    898.38 : 1,963.20 = 1,963.20 : x
  2. Step 2: Convert to fraction form
    898.38/1,963.20 = 1,963.20/x
  3. Step 3: Cross multiply
    898.38x = 1,963.20 × 1,963.20
  4. Step 4: Simplify right side
    898.38x = 3,854,135.84
  5. Step 5: Solve for x
    x = 3,854,135.84/898.38
  6. Step 6: Final answer
    x = 4,290.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.