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Finding the Third Proportional to 121,351.50 and 252,387

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Solution

The third proportional to 121,351.50 and 252,387 is: 524,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,351.50 : 252,387 = 252,387 : x
  2. Step 2: Convert to fraction form
    121,351.50/252,387 = 252,387/x
  3. Step 3: Cross multiply
    121,351.50x = 252,387 × 252,387
  4. Step 4: Simplify right side
    121,351.50x = 63,699,197,769
  5. Step 5: Solve for x
    x = 63,699,197,769/121,351.50
  6. Step 6: Final answer
    x = 524,914.80

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.