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Finding the Third Proportional to 159,370 and 343,331

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Solution

The third proportional to 159,370 and 343,331 is: 739,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,370 : 343,331 = 343,331 : x
  2. Step 2: Convert to fraction form
    159,370/343,331 = 343,331/x
  3. Step 3: Cross multiply
    159,370x = 343,331 × 343,331
  4. Step 4: Simplify right side
    159,370x = 117,876,175,561
  5. Step 5: Solve for x
    x = 117,876,175,561/159,370
  6. Step 6: Final answer
    x = 739,638.42

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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.