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Finding the Third Proportional to 197,442 and 288,757

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Solution

The third proportional to 197,442 and 288,757 is: 422,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,442 : 288,757 = 288,757 : x
  2. Step 2: Convert to fraction form
    197,442/288,757 = 288,757/x
  3. Step 3: Cross multiply
    197,442x = 288,757 × 288,757
  4. Step 4: Simplify right side
    197,442x = 83,380,605,049
  5. Step 5: Solve for x
    x = 83,380,605,049/197,442
  6. Step 6: Final answer
    x = 422,304.30

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.