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Finding the Third Proportional to 481.13 and 1,038.75

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Solution

The third proportional to 481.13 and 1,038.75 is: 2,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.13 : 1,038.75 = 1,038.75 : x
  2. Step 2: Convert to fraction form
    481.13/1,038.75 = 1,038.75/x
  3. Step 3: Cross multiply
    481.13x = 1,038.75 × 1,038.75
  4. Step 4: Simplify right side
    481.13x = 1,079,001.56
  5. Step 5: Solve for x
    x = 1,079,001.56/481.13
  6. Step 6: Final answer
    x = 2,242.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.