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Finding the Third Proportional to 39,969,612 and 87,167,805.75

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Solution

The third proportional to 39,969,612 and 87,167,805.75 is: 190,100,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969,612 : 87,167,805.75 = 87,167,805.75 : x
  2. Step 2: Convert to fraction form
    39,969,612/87,167,805.75 = 87,167,805.75/x
  3. Step 3: Cross multiply
    39,969,612x = 87,167,805.75 × 87,167,805.75
  4. Step 4: Simplify right side
    39,969,612x = 7,598,226,359,269,733
  5. Step 5: Solve for x
    x = 7,598,226,359,269,733/39,969,612
  6. Step 6: Final answer
    x = 190,100,078.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.