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Finding the Third Proportional to 903.38 and 1,961.16

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Solution

The third proportional to 903.38 and 1,961.16 is: 4,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.38 : 1,961.16 = 1,961.16 : x
  2. Step 2: Convert to fraction form
    903.38/1,961.16 = 1,961.16/x
  3. Step 3: Cross multiply
    903.38x = 1,961.16 × 1,961.16
  4. Step 4: Simplify right side
    903.38x = 3,846,133.84
  5. Step 5: Solve for x
    x = 3,846,133.84/903.38
  6. Step 6: Final answer
    x = 4,257.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.