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Finding the Third Proportional to 99,593 and 214,290

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Solution

The third proportional to 99,593 and 214,290 is: 461,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,593 : 214,290 = 214,290 : x
  2. Step 2: Convert to fraction form
    99,593/214,290 = 214,290/x
  3. Step 3: Cross multiply
    99,593x = 214,290 × 214,290
  4. Step 4: Simplify right side
    99,593x = 45,920,204,100
  5. Step 5: Solve for x
    x = 45,920,204,100/99,593
  6. Step 6: Final answer
    x = 461,078.63

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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.