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Finding the Third Proportional to 131,750 and 198,783

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Solution

The third proportional to 131,750 and 198,783 is: 299,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,750 : 198,783 = 198,783 : x
  2. Step 2: Convert to fraction form
    131,750/198,783 = 198,783/x
  3. Step 3: Cross multiply
    131,750x = 198,783 × 198,783
  4. Step 4: Simplify right side
    131,750x = 39,514,681,089
  5. Step 5: Solve for x
    x = 39,514,681,089/131,750
  6. Step 6: Final answer
    x = 299,921.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.