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Finding the Third Proportional to 61,812 and 92,718

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Solution

The third proportional to 61,812 and 92,718 is: 139,077

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812 : 92,718 = 92,718 : x
  2. Step 2: Convert to fraction form
    61,812/92,718 = 92,718/x
  3. Step 3: Cross multiply
    61,812x = 92,718 × 92,718
  4. Step 4: Simplify right side
    61,812x = 8,596,627,524
  5. Step 5: Solve for x
    x = 8,596,627,524/61,812
  6. Step 6: Final answer
    x = 139,077

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.