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Finding the Third Proportional to 154,718 and 339,304

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Solution

The third proportional to 154,718 and 339,304 is: 744,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,718 : 339,304 = 339,304 : x
  2. Step 2: Convert to fraction form
    154,718/339,304 = 339,304/x
  3. Step 3: Cross multiply
    154,718x = 339,304 × 339,304
  4. Step 4: Simplify right side
    154,718x = 115,127,204,416
  5. Step 5: Solve for x
    x = 115,127,204,416/154,718
  6. Step 6: Final answer
    x = 744,109.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.