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Finding the Third Proportional to 91,343.53 and 143,490.66

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Solution

The third proportional to 91,343.53 and 143,490.66 is: 225,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,343.53 : 143,490.66 = 143,490.66 : x
  2. Step 2: Convert to fraction form
    91,343.53/143,490.66 = 143,490.66/x
  3. Step 3: Cross multiply
    91,343.53x = 143,490.66 × 143,490.66
  4. Step 4: Simplify right side
    91,343.53x = 20,589,568,431.06
  5. Step 5: Solve for x
    x = 20,589,568,431.06/91,343.53
  6. Step 6: Final answer
    x = 225,408.06

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.