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Finding the Third Proportional to 38,572 and 80,216

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Solution

The third proportional to 38,572 and 80,216 is: 166,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572 : 80,216 = 80,216 : x
  2. Step 2: Convert to fraction form
    38,572/80,216 = 80,216/x
  3. Step 3: Cross multiply
    38,572x = 80,216 × 80,216
  4. Step 4: Simplify right side
    38,572x = 6,434,606,656
  5. Step 5: Solve for x
    x = 6,434,606,656/38,572
  6. Step 6: Final answer
    x = 166,820.66

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.