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Finding the Third Proportional to 38,444.63 and 82,640.25

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Solution

The third proportional to 38,444.63 and 82,640.25 is: 177,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444.63 : 82,640.25 = 82,640.25 : x
  2. Step 2: Convert to fraction form
    38,444.63/82,640.25 = 82,640.25/x
  3. Step 3: Cross multiply
    38,444.63x = 82,640.25 × 82,640.25
  4. Step 4: Simplify right side
    38,444.63x = 6,829,410,920.06
  5. Step 5: Solve for x
    x = 6,829,410,920.06/38,444.63
  6. Step 6: Final answer
    x = 177,642.80

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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.