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Finding the Third Proportional to 8,387,444 and 18,344,911

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Solution

The third proportional to 8,387,444 and 18,344,911 is: 40,123,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,444 : 18,344,911 = 18,344,911 : x
  2. Step 2: Convert to fraction form
    8,387,444/18,344,911 = 18,344,911/x
  3. Step 3: Cross multiply
    8,387,444x = 18,344,911 × 18,344,911
  4. Step 4: Simplify right side
    8,387,444x = 336,535,759,597,921
  5. Step 5: Solve for x
    x = 336,535,759,597,921/8,387,444
  6. Step 6: Final answer
    x = 40,123,756.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.