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Finding the Third Proportional to 260,068 and 353,238

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Solution

The third proportional to 260,068 and 353,238 is: 479,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,068 : 353,238 = 353,238 : x
  2. Step 2: Convert to fraction form
    260,068/353,238 = 353,238/x
  3. Step 3: Cross multiply
    260,068x = 353,238 × 353,238
  4. Step 4: Simplify right side
    260,068x = 124,777,084,644
  5. Step 5: Solve for x
    x = 124,777,084,644/260,068
  6. Step 6: Final answer
    x = 479,786.38

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.