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Finding the Third Proportional to 45,442,891 and 71,968,757

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Solution

The third proportional to 45,442,891 and 71,968,757 is: 113,978,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,442,891 : 71,968,757 = 71,968,757 : x
  2. Step 2: Convert to fraction form
    45,442,891/71,968,757 = 71,968,757/x
  3. Step 3: Cross multiply
    45,442,891x = 71,968,757 × 71,968,757
  4. Step 4: Simplify right side
    45,442,891x = 5,179,501,984,125,049
  5. Step 5: Solve for x
    x = 5,179,501,984,125,049/45,442,891
  6. Step 6: Final answer
    x = 113,978,267.45

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.