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Finding the Third Proportional to 38,642,427 and 83,338,125.75

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Solution

The third proportional to 38,642,427 and 83,338,125.75 is: 179,731,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642,427 : 83,338,125.75 = 83,338,125.75 : x
  2. Step 2: Convert to fraction form
    38,642,427/83,338,125.75 = 83,338,125.75/x
  3. Step 3: Cross multiply
    38,642,427x = 83,338,125.75 × 83,338,125.75
  4. Step 4: Simplify right side
    38,642,427x = 6,945,243,203,522,813
  5. Step 5: Solve for x
    x = 6,945,243,203,522,813/38,642,427
  6. Step 6: Final answer
    x = 179,731,029.93

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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.