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Finding the Third Proportional to 87,373,923.25 and 135,664,672.69

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Solution

The third proportional to 87,373,923.25 and 135,664,672.69 is: 210,645,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,373,923.25 : 135,664,672.69 = 135,664,672.69 : x
  2. Step 2: Convert to fraction form
    87,373,923.25/135,664,672.69 = 135,664,672.69/x
  3. Step 3: Cross multiply
    87,373,923.25x = 135,664,672.69 × 135,664,672.69
  4. Step 4: Simplify right side
    87,373,923.25x = 18,404,903,415,406,508
  5. Step 5: Solve for x
    x = 18,404,903,415,406,508/87,373,923.25
  6. Step 6: Final answer
    x = 210,645,267.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.