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Finding the Third Proportional to 67,080 and 107,844

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Solution

The third proportional to 67,080 and 107,844 is: 173,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080 : 107,844 = 107,844 : x
  2. Step 2: Convert to fraction form
    67,080/107,844 = 107,844/x
  3. Step 3: Cross multiply
    67,080x = 107,844 × 107,844
  4. Step 4: Simplify right side
    67,080x = 11,630,328,336
  5. Step 5: Solve for x
    x = 11,630,328,336/67,080
  6. Step 6: Final answer
    x = 173,379.97

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.