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Finding the Third Proportional to 321,750 and 699,524

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Solution

The third proportional to 321,750 and 699,524 is: 1,520,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,750 : 699,524 = 699,524 : x
  2. Step 2: Convert to fraction form
    321,750/699,524 = 699,524/x
  3. Step 3: Cross multiply
    321,750x = 699,524 × 699,524
  4. Step 4: Simplify right side
    321,750x = 489,333,826,576
  5. Step 5: Solve for x
    x = 489,333,826,576/321,750
  6. Step 6: Final answer
    x = 1,520,851.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.