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Finding the Third Proportional to 67,566.38 and 105,990.19

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Solution

The third proportional to 67,566.38 and 105,990.19 is: 166,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,566.38 : 105,990.19 = 105,990.19 : x
  2. Step 2: Convert to fraction form
    67,566.38/105,990.19 = 105,990.19/x
  3. Step 3: Cross multiply
    67,566.38x = 105,990.19 × 105,990.19
  4. Step 4: Simplify right side
    67,566.38x = 11,233,919,846.29
  5. Step 5: Solve for x
    x = 11,233,919,846.29/67,566.38
  6. Step 6: Final answer
    x = 166,264.95

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.