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Finding the Third Proportional to 39,971,469 and 85,890,636

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Solution

The third proportional to 39,971,469 and 85,890,636 is: 184,561,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971,469 : 85,890,636 = 85,890,636 : x
  2. Step 2: Convert to fraction form
    39,971,469/85,890,636 = 85,890,636/x
  3. Step 3: Cross multiply
    39,971,469x = 85,890,636 × 85,890,636
  4. Step 4: Simplify right side
    39,971,469x = 7,377,201,352,484,496
  5. Step 5: Solve for x
    x = 7,377,201,352,484,496/39,971,469
  6. Step 6: Final answer
    x = 184,561,677.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.