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Finding the Third Proportional to 12,382,638 and 18,761,229

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Solution

The third proportional to 12,382,638 and 18,761,229 is: 28,425,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,638 : 18,761,229 = 18,761,229 : x
  2. Step 2: Convert to fraction form
    12,382,638/18,761,229 = 18,761,229/x
  3. Step 3: Cross multiply
    12,382,638x = 18,761,229 × 18,761,229
  4. Step 4: Simplify right side
    12,382,638x = 351,983,713,590,441
  5. Step 5: Solve for x
    x = 351,983,713,590,441/12,382,638
  6. Step 6: Final answer
    x = 28,425,583.76

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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.