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Finding the Third Proportional to 96,899 and 208,639

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Solution

The third proportional to 96,899 and 208,639 is: 449,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,899 : 208,639 = 208,639 : x
  2. Step 2: Convert to fraction form
    96,899/208,639 = 208,639/x
  3. Step 3: Cross multiply
    96,899x = 208,639 × 208,639
  4. Step 4: Simplify right side
    96,899x = 43,530,232,321
  5. Step 5: Solve for x
    x = 43,530,232,321/96,899
  6. Step 6: Final answer
    x = 449,233.04

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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.