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Finding the Third Proportional to 109,188 and 163,782

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Solution

The third proportional to 109,188 and 163,782 is: 245,673

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188 : 163,782 = 163,782 : x
  2. Step 2: Convert to fraction form
    109,188/163,782 = 163,782/x
  3. Step 3: Cross multiply
    109,188x = 163,782 × 163,782
  4. Step 4: Simplify right side
    109,188x = 26,824,543,524
  5. Step 5: Solve for x
    x = 26,824,543,524/109,188
  6. Step 6: Final answer
    x = 245,673

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.