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Finding the Third Proportional to 140,229 and 306,153

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Solution

The third proportional to 140,229 and 306,153 is: 668,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,229 : 306,153 = 306,153 : x
  2. Step 2: Convert to fraction form
    140,229/306,153 = 306,153/x
  3. Step 3: Cross multiply
    140,229x = 306,153 × 306,153
  4. Step 4: Simplify right side
    140,229x = 93,729,659,409
  5. Step 5: Solve for x
    x = 93,729,659,409/140,229
  6. Step 6: Final answer
    x = 668,404.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.