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Finding the Third Proportional to 157,698 and 235,980

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Solution

The third proportional to 157,698 and 235,980 is: 353,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,698 : 235,980 = 235,980 : x
  2. Step 2: Convert to fraction form
    157,698/235,980 = 235,980/x
  3. Step 3: Cross multiply
    157,698x = 235,980 × 235,980
  4. Step 4: Simplify right side
    157,698x = 55,686,560,400
  5. Step 5: Solve for x
    x = 55,686,560,400/157,698
  6. Step 6: Final answer
    x = 353,121.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.