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Finding the Third Proportional to 68,491,236 and 100,279,638

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Solution

The third proportional to 68,491,236 and 100,279,638 is: 146,821,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,491,236 : 100,279,638 = 100,279,638 : x
  2. Step 2: Convert to fraction form
    68,491,236/100,279,638 = 100,279,638/x
  3. Step 3: Cross multiply
    68,491,236x = 100,279,638 × 100,279,638
  4. Step 4: Simplify right side
    68,491,236x = 10,056,005,797,411,044
  5. Step 5: Solve for x
    x = 10,056,005,797,411,044/68,491,236
  6. Step 6: Final answer
    x = 146,821,788.96

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.