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Finding the Third Proportional to 39,021,996 and 84,037,436

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Solution

The third proportional to 39,021,996 and 84,037,436 is: 180,982,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021,996 : 84,037,436 = 84,037,436 : x
  2. Step 2: Convert to fraction form
    39,021,996/84,037,436 = 84,037,436/x
  3. Step 3: Cross multiply
    39,021,996x = 84,037,436 × 84,037,436
  4. Step 4: Simplify right side
    39,021,996x = 7,062,290,649,454,096
  5. Step 5: Solve for x
    x = 7,062,290,649,454,096/39,021,996
  6. Step 6: Final answer
    x = 180,982,301.61

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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.