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Finding the Third Proportional to 140,230 and 304,120

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Solution

The third proportional to 140,230 and 304,120 is: 659,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,230 : 304,120 = 304,120 : x
  2. Step 2: Convert to fraction form
    140,230/304,120 = 304,120/x
  3. Step 3: Cross multiply
    140,230x = 304,120 × 304,120
  4. Step 4: Simplify right side
    140,230x = 92,488,974,400
  5. Step 5: Solve for x
    x = 92,488,974,400/140,230
  6. Step 6: Final answer
    x = 659,551.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.