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Finding the Third Proportional to 91,043,438 and 136,568,068

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Solution

The third proportional to 91,043,438 and 136,568,068 is: 204,856,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,043,438 : 136,568,068 = 136,568,068 : x
  2. Step 2: Convert to fraction form
    91,043,438/136,568,068 = 136,568,068/x
  3. Step 3: Cross multiply
    91,043,438x = 136,568,068 × 136,568,068
  4. Step 4: Simplify right side
    91,043,438x = 18,650,837,197,252,624
  5. Step 5: Solve for x
    x = 18,650,837,197,252,624/91,043,438
  6. Step 6: Final answer
    x = 204,856,468.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.