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Finding the Third Proportional to 3,874,153 and 8,445,859

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Solution

The third proportional to 3,874,153 and 8,445,859 is: 18,412,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,153 : 8,445,859 = 8,445,859 : x
  2. Step 2: Convert to fraction form
    3,874,153/8,445,859 = 8,445,859/x
  3. Step 3: Cross multiply
    3,874,153x = 8,445,859 × 8,445,859
  4. Step 4: Simplify right side
    3,874,153x = 71,332,534,247,881
  5. Step 5: Solve for x
    x = 71,332,534,247,881/3,874,153
  6. Step 6: Final answer
    x = 18,412,420.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.