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Finding the Third Proportional to 18,328,644 and 36,194,724

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Solution

The third proportional to 18,328,644 and 36,194,724 is: 71,475,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328,644 : 36,194,724 = 36,194,724 : x
  2. Step 2: Convert to fraction form
    18,328,644/36,194,724 = 36,194,724/x
  3. Step 3: Cross multiply
    18,328,644x = 36,194,724 × 36,194,724
  4. Step 4: Simplify right side
    18,328,644x = 1,310,058,045,436,176
  5. Step 5: Solve for x
    x = 1,310,058,045,436,176/18,328,644
  6. Step 6: Final answer
    x = 71,475,993.83

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.