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Finding the Third Proportional to 91,486.13 and 140,794.88

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Solution

The third proportional to 91,486.13 and 140,794.88 is: 216,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,486.13 : 140,794.88 = 140,794.88 : x
  2. Step 2: Convert to fraction form
    91,486.13/140,794.88 = 140,794.88/x
  3. Step 3: Cross multiply
    91,486.13x = 140,794.88 × 140,794.88
  4. Step 4: Simplify right side
    91,486.13x = 19,823,196,826.27
  5. Step 5: Solve for x
    x = 19,823,196,826.27/91,486.13
  6. Step 6: Final answer
    x = 216,679.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.