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Finding the Third Proportional to 67,675.50 and 87,966

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Solution

The third proportional to 67,675.50 and 87,966 is: 114,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,675.50 : 87,966 = 87,966 : x
  2. Step 2: Convert to fraction form
    67,675.50/87,966 = 87,966/x
  3. Step 3: Cross multiply
    67,675.50x = 87,966 × 87,966
  4. Step 4: Simplify right side
    67,675.50x = 7,738,017,156
  5. Step 5: Solve for x
    x = 7,738,017,156/67,675.50
  6. Step 6: Final answer
    x = 114,340.01

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.