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Finding the Third Proportional to 126,248 and 270,230

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Solution

The third proportional to 126,248 and 270,230 is: 578,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,248 : 270,230 = 270,230 : x
  2. Step 2: Convert to fraction form
    126,248/270,230 = 270,230/x
  3. Step 3: Cross multiply
    126,248x = 270,230 × 270,230
  4. Step 4: Simplify right side
    126,248x = 73,024,252,900
  5. Step 5: Solve for x
    x = 73,024,252,900/126,248
  6. Step 6: Final answer
    x = 578,419.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.