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Finding the Third Proportional to 61,677 and 81,995.50

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Solution

The third proportional to 61,677 and 81,995.50 is: 109,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,677 : 81,995.50 = 81,995.50 : x
  2. Step 2: Convert to fraction form
    61,677/81,995.50 = 81,995.50/x
  3. Step 3: Cross multiply
    61,677x = 81,995.50 × 81,995.50
  4. Step 4: Simplify right side
    61,677x = 6,723,262,020.25
  5. Step 5: Solve for x
    x = 6,723,262,020.25/61,677
  6. Step 6: Final answer
    x = 109,007.60

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.