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Finding the Third Proportional to 74,181,618 and 113,475,339

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Solution

The third proportional to 74,181,618 and 113,475,339 is: 173,582,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181,618 : 113,475,339 = 113,475,339 : x
  2. Step 2: Convert to fraction form
    74,181,618/113,475,339 = 113,475,339/x
  3. Step 3: Cross multiply
    74,181,618x = 113,475,339 × 113,475,339
  4. Step 4: Simplify right side
    74,181,618x = 12,876,652,561,164,920
  5. Step 5: Solve for x
    x = 12,876,652,561,164,920/74,181,618
  6. Step 6: Final answer
    x = 173,582,794.61

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.