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Finding the Third Proportional to 79,210,981.50 and 126,040,215

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Solution

The third proportional to 79,210,981.50 and 126,040,215 is: 200,554,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210,981.50 : 126,040,215 = 126,040,215 : x
  2. Step 2: Convert to fraction form
    79,210,981.50/126,040,215 = 126,040,215/x
  3. Step 3: Cross multiply
    79,210,981.50x = 126,040,215 × 126,040,215
  4. Step 4: Simplify right side
    79,210,981.50x = 15,886,135,797,246,224
  5. Step 5: Solve for x
    x = 15,886,135,797,246,224/79,210,981.50
  6. Step 6: Final answer
    x = 200,554,714.72

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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.