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Finding the Third Proportional to 43,426,821 and 66,159,059

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Solution

The third proportional to 43,426,821 and 66,159,059 is: 100,790,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,426,821 : 66,159,059 = 66,159,059 : x
  2. Step 2: Convert to fraction form
    43,426,821/66,159,059 = 66,159,059/x
  3. Step 3: Cross multiply
    43,426,821x = 66,159,059 × 66,159,059
  4. Step 4: Simplify right side
    43,426,821x = 4,377,021,087,765,481
  5. Step 5: Solve for x
    x = 4,377,021,087,765,481/43,426,821
  6. Step 6: Final answer
    x = 100,790,732.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.