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Finding the Third Proportional to 103,692 and 219,934

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Solution

The third proportional to 103,692 and 219,934 is: 466,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,692 : 219,934 = 219,934 : x
  2. Step 2: Convert to fraction form
    103,692/219,934 = 219,934/x
  3. Step 3: Cross multiply
    103,692x = 219,934 × 219,934
  4. Step 4: Simplify right side
    103,692x = 48,370,964,356
  5. Step 5: Solve for x
    x = 48,370,964,356/103,692
  6. Step 6: Final answer
    x = 466,486.95

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.