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Finding the Third Proportional to 80,631,618 and 124,511,969

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Solution

The third proportional to 80,631,618 and 124,511,969 is: 192,272,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,631,618 : 124,511,969 = 124,511,969 : x
  2. Step 2: Convert to fraction form
    80,631,618/124,511,969 = 124,511,969/x
  3. Step 3: Cross multiply
    80,631,618x = 124,511,969 × 124,511,969
  4. Step 4: Simplify right side
    80,631,618x = 15,503,230,424,256,960
  5. Step 5: Solve for x
    x = 15,503,230,424,256,960/80,631,618
  6. Step 6: Final answer
    x = 192,272,346.86

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.