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Finding the Third Proportional to 56,981 and 103,675

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Solution

The third proportional to 56,981 and 103,675 is: 188,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,981 : 103,675 = 103,675 : x
  2. Step 2: Convert to fraction form
    56,981/103,675 = 103,675/x
  3. Step 3: Cross multiply
    56,981x = 103,675 × 103,675
  4. Step 4: Simplify right side
    56,981x = 10,748,505,625
  5. Step 5: Solve for x
    x = 10,748,505,625/56,981
  6. Step 6: Final answer
    x = 188,633.15

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Why These Related Problems?

These problems maintain the same ratio (1.82) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.