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Finding the Third Proportional to 109,353 and 234,987

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Solution

The third proportional to 109,353 and 234,987 is: 504,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,353 : 234,987 = 234,987 : x
  2. Step 2: Convert to fraction form
    109,353/234,987 = 234,987/x
  3. Step 3: Cross multiply
    109,353x = 234,987 × 234,987
  4. Step 4: Simplify right side
    109,353x = 55,218,890,169
  5. Step 5: Solve for x
    x = 55,218,890,169/109,353
  6. Step 6: Final answer
    x = 504,959.99

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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.