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Finding the Third Proportional to 913,843,608 and 1,392,192,183

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Solution

The third proportional to 913,843,608 and 1,392,192,183 is: 2,120,930,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,843,608 : 1,392,192,183 = 1,392,192,183 : x
  2. Step 2: Convert to fraction form
    913,843,608/1,392,192,183 = 1,392,192,183/x
  3. Step 3: Cross multiply
    913,843,608x = 1,392,192,183 × 1,392,192,183
  4. Step 4: Simplify right side
    913,843,608x = 1,938,199,074,406,305,536
  5. Step 5: Solve for x
    x = 1,938,199,074,406,305,536/913,843,608
  6. Step 6: Final answer
    x = 2,120,930,821.68

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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.