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Finding the Third Proportional to 6,943 and 11,042

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Solution

The third proportional to 6,943 and 11,042 is: 17,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943 : 11,042 = 11,042 : x
  2. Step 2: Convert to fraction form
    6,943/11,042 = 11,042/x
  3. Step 3: Cross multiply
    6,943x = 11,042 × 11,042
  4. Step 4: Simplify right side
    6,943x = 121,925,764
  5. Step 5: Solve for x
    x = 121,925,764/6,943
  6. Step 6: Final answer
    x = 17,560.96

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.