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Finding the Third Proportional to 580 and 1,244.38

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Solution

The third proportional to 580 and 1,244.38 is: 2,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    580 : 1,244.38 = 1,244.38 : x
  2. Step 2: Convert to fraction form
    580/1,244.38 = 1,244.38/x
  3. Step 3: Cross multiply
    580x = 1,244.38 × 1,244.38
  4. Step 4: Simplify right side
    580x = 1,548,469.14
  5. Step 5: Solve for x
    x = 1,548,469.14/580
  6. Step 6: Final answer
    x = 2,669.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.