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Finding the Third Proportional to 277,729.88 and 414,778.13

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Solution

The third proportional to 277,729.88 and 414,778.13 is: 619,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,729.88 : 414,778.13 = 414,778.13 : x
  2. Step 2: Convert to fraction form
    277,729.88/414,778.13 = 414,778.13/x
  3. Step 3: Cross multiply
    277,729.88x = 414,778.13 × 414,778.13
  4. Step 4: Simplify right side
    277,729.88x = 172,040,892,978.52
  5. Step 5: Solve for x
    x = 172,040,892,978.52/277,729.88
  6. Step 6: Final answer
    x = 619,454.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.