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Finding the Third Proportional to 126,861,149 and 201,863,123

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Solution

The third proportional to 126,861,149 and 201,863,123 is: 321,207,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,861,149 : 201,863,123 = 201,863,123 : x
  2. Step 2: Convert to fraction form
    126,861,149/201,863,123 = 201,863,123/x
  3. Step 3: Cross multiply
    126,861,149x = 201,863,123 × 201,863,123
  4. Step 4: Simplify right side
    126,861,149x = 40,748,720,427,313,128
  5. Step 5: Solve for x
    x = 40,748,720,427,313,128/126,861,149
  6. Step 6: Final answer
    x = 321,207,247.05

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.