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Finding the Third Proportional to 67,692 and 102,492

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Solution

The third proportional to 67,692 and 102,492 is: 155,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,692 : 102,492 = 102,492 : x
  2. Step 2: Convert to fraction form
    67,692/102,492 = 102,492/x
  3. Step 3: Cross multiply
    67,692x = 102,492 × 102,492
  4. Step 4: Simplify right side
    67,692x = 10,504,610,064
  5. Step 5: Solve for x
    x = 10,504,610,064/67,692
  6. Step 6: Final answer
    x = 155,182.44

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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.