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Finding the Third Proportional to 4,154,251 and 8,638,739

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Solution

The third proportional to 4,154,251 and 8,638,739 is: 17,964,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154,251 : 8,638,739 = 8,638,739 : x
  2. Step 2: Convert to fraction form
    4,154,251/8,638,739 = 8,638,739/x
  3. Step 3: Cross multiply
    4,154,251x = 8,638,739 × 8,638,739
  4. Step 4: Simplify right side
    4,154,251x = 74,627,811,510,121
  5. Step 5: Solve for x
    x = 74,627,811,510,121/4,154,251
  6. Step 6: Final answer
    x = 17,964,203.78

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.