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Finding the Third Proportional to 198,876 and 432,732

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Solution

The third proportional to 198,876 and 432,732 is: 941,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,876 : 432,732 = 432,732 : x
  2. Step 2: Convert to fraction form
    198,876/432,732 = 432,732/x
  3. Step 3: Cross multiply
    198,876x = 432,732 × 432,732
  4. Step 4: Simplify right side
    198,876x = 187,256,983,824
  5. Step 5: Solve for x
    x = 187,256,983,824/198,876
  6. Step 6: Final answer
    x = 941,576.58

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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.