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Finding the Third Proportional to 40,874.63 and 87,986.25

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Solution

The third proportional to 40,874.63 and 87,986.25 is: 189,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874.63 : 87,986.25 = 87,986.25 : x
  2. Step 2: Convert to fraction form
    40,874.63/87,986.25 = 87,986.25/x
  3. Step 3: Cross multiply
    40,874.63x = 87,986.25 × 87,986.25
  4. Step 4: Simplify right side
    40,874.63x = 7,741,580,189.06
  5. Step 5: Solve for x
    x = 7,741,580,189.06/40,874.63
  6. Step 6: Final answer
    x = 189,398.19

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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.