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Finding the Third Proportional to 445.50 and 1,079.58

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Solution

The third proportional to 445.50 and 1,079.58 is: 2,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.50 : 1,079.58 = 1,079.58 : x
  2. Step 2: Convert to fraction form
    445.50/1,079.58 = 1,079.58/x
  3. Step 3: Cross multiply
    445.50x = 1,079.58 × 1,079.58
  4. Step 4: Simplify right side
    445.50x = 1,165,488.93
  5. Step 5: Solve for x
    x = 1,165,488.93/445.50
  6. Step 6: Final answer
    x = 2,616.14

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.