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Finding the Third Proportional to 79,211,548 and 121,172,204

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Solution

The third proportional to 79,211,548 and 121,172,204 is: 185,360,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211,548 : 121,172,204 = 121,172,204 : x
  2. Step 2: Convert to fraction form
    79,211,548/121,172,204 = 121,172,204/x
  3. Step 3: Cross multiply
    79,211,548x = 121,172,204 × 121,172,204
  4. Step 4: Simplify right side
    79,211,548x = 14,682,703,022,217,616
  5. Step 5: Solve for x
    x = 14,682,703,022,217,616/79,211,548
  6. Step 6: Final answer
    x = 185,360,637.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.