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Finding the Third Proportional to 79,210,744 and 126,039,868

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Solution

The third proportional to 79,210,744 and 126,039,868 is: 200,554,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210,744 : 126,039,868 = 126,039,868 : x
  2. Step 2: Convert to fraction form
    79,210,744/126,039,868 = 126,039,868/x
  3. Step 3: Cross multiply
    79,210,744x = 126,039,868 × 126,039,868
  4. Step 4: Simplify right side
    79,210,744x = 15,886,048,325,457,424
  5. Step 5: Solve for x
    x = 15,886,048,325,457,424/79,210,744
  6. Step 6: Final answer
    x = 200,554,211.76

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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.