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Finding the Third Proportional to 18,424,150 and 39,436,455

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Solution

The third proportional to 18,424,150 and 39,436,455 is: 84,412,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,150 : 39,436,455 = 39,436,455 : x
  2. Step 2: Convert to fraction form
    18,424,150/39,436,455 = 39,436,455/x
  3. Step 3: Cross multiply
    18,424,150x = 39,436,455 × 39,436,455
  4. Step 4: Simplify right side
    18,424,150x = 1,555,233,982,967,025
  5. Step 5: Solve for x
    x = 1,555,233,982,967,025/18,424,150
  6. Step 6: Final answer
    x = 84,412,794.24

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.