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Finding the Third Proportional to 43,740 and 90,588.38

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Solution

The third proportional to 43,740 and 90,588.38 is: 187,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740 : 90,588.38 = 90,588.38 : x
  2. Step 2: Convert to fraction form
    43,740/90,588.38 = 90,588.38/x
  3. Step 3: Cross multiply
    43,740x = 90,588.38 × 90,588.38
  4. Step 4: Simplify right side
    43,740x = 8,206,253,685.14
  5. Step 5: Solve for x
    x = 8,206,253,685.14/43,740
  6. Step 6: Final answer
    x = 187,614.40

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.