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Finding the Third Proportional to 39,792,028 and 87,948,440

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Solution

The third proportional to 39,792,028 and 87,948,440 is: 194,383,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,792,028 : 87,948,440 = 87,948,440 : x
  2. Step 2: Convert to fraction form
    39,792,028/87,948,440 = 87,948,440/x
  3. Step 3: Cross multiply
    39,792,028x = 87,948,440 × 87,948,440
  4. Step 4: Simplify right side
    39,792,028x = 7,734,928,098,433,600
  5. Step 5: Solve for x
    x = 7,734,928,098,433,600/39,792,028
  6. Step 6: Final answer
    x = 194,383,862.48

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.