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Finding the Third Proportional to 458.50 and 1,081.19

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Solution

The third proportional to 458.50 and 1,081.19 is: 2,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.50 : 1,081.19 = 1,081.19 : x
  2. Step 2: Convert to fraction form
    458.50/1,081.19 = 1,081.19/x
  3. Step 3: Cross multiply
    458.50x = 1,081.19 × 1,081.19
  4. Step 4: Simplify right side
    458.50x = 1,168,966.41
  5. Step 5: Solve for x
    x = 1,168,966.41/458.50
  6. Step 6: Final answer
    x = 2,549.55

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.