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Finding the Third Proportional to 84,540 and 196,583

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Solution

The third proportional to 84,540 and 196,583 is: 457,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,540 : 196,583 = 196,583 : x
  2. Step 2: Convert to fraction form
    84,540/196,583 = 196,583/x
  3. Step 3: Cross multiply
    84,540x = 196,583 × 196,583
  4. Step 4: Simplify right side
    84,540x = 38,644,875,889
  5. Step 5: Solve for x
    x = 38,644,875,889/84,540
  6. Step 6: Final answer
    x = 457,119.42

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.