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Finding the Third Proportional to 3,942,810 and 8,554,839

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Solution

The third proportional to 3,942,810 and 8,554,839 is: 18,561,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,810 : 8,554,839 = 8,554,839 : x
  2. Step 2: Convert to fraction form
    3,942,810/8,554,839 = 8,554,839/x
  3. Step 3: Cross multiply
    3,942,810x = 8,554,839 × 8,554,839
  4. Step 4: Simplify right side
    3,942,810x = 73,185,270,315,921
  5. Step 5: Solve for x
    x = 73,185,270,315,921/3,942,810
  6. Step 6: Final answer
    x = 18,561,703.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.