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Finding the Third Proportional to 157,810 and 343,268

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Solution

The third proportional to 157,810 and 343,268 is: 746,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,810 : 343,268 = 343,268 : x
  2. Step 2: Convert to fraction form
    157,810/343,268 = 343,268/x
  3. Step 3: Cross multiply
    157,810x = 343,268 × 343,268
  4. Step 4: Simplify right side
    157,810x = 117,832,919,824
  5. Step 5: Solve for x
    x = 117,832,919,824/157,810
  6. Step 6: Final answer
    x = 746,675.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.