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Finding the Third Proportional to 38,162.50 and 82,157

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Solution

The third proportional to 38,162.50 and 82,157 is: 176,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.50 : 82,157 = 82,157 : x
  2. Step 2: Convert to fraction form
    38,162.50/82,157 = 82,157/x
  3. Step 3: Cross multiply
    38,162.50x = 82,157 × 82,157
  4. Step 4: Simplify right side
    38,162.50x = 6,749,772,649
  5. Step 5: Solve for x
    x = 6,749,772,649/38,162.50
  6. Step 6: Final answer
    x = 176,869.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.