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Finding the Third Proportional to 89,480.81 and 131,212.13

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Solution

The third proportional to 89,480.81 and 131,212.13 is: 192,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,480.81 : 131,212.13 = 131,212.13 : x
  2. Step 2: Convert to fraction form
    89,480.81/131,212.13 = 131,212.13/x
  3. Step 3: Cross multiply
    89,480.81x = 131,212.13 × 131,212.13
  4. Step 4: Simplify right side
    89,480.81x = 17,216,621,747.02
  5. Step 5: Solve for x
    x = 17,216,621,747.02/89,480.81
  6. Step 6: Final answer
    x = 192,405.74

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.