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Finding the Third Proportional to 115,000 and 247,486

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Solution

The third proportional to 115,000 and 247,486 is: 532,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,000 : 247,486 = 247,486 : x
  2. Step 2: Convert to fraction form
    115,000/247,486 = 247,486/x
  3. Step 3: Cross multiply
    115,000x = 247,486 × 247,486
  4. Step 4: Simplify right side
    115,000x = 61,249,320,196
  5. Step 5: Solve for x
    x = 61,249,320,196/115,000
  6. Step 6: Final answer
    x = 532,602.78

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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.