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Finding the Third Proportional to 38,642,418 and 83,338,107.75

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Solution

The third proportional to 38,642,418 and 83,338,107.75 is: 179,730,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642,418 : 83,338,107.75 = 83,338,107.75 : x
  2. Step 2: Convert to fraction form
    38,642,418/83,338,107.75 = 83,338,107.75/x
  3. Step 3: Cross multiply
    38,642,418x = 83,338,107.75 × 83,338,107.75
  4. Step 4: Simplify right side
    38,642,418x = 6,945,240,203,350,610
  5. Step 5: Solve for x
    x = 6,945,240,203,350,610/38,642,418
  6. Step 6: Final answer
    x = 179,730,994.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.