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Finding the Third Proportional to 9,040,842 and 18,964,422

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Solution

The third proportional to 9,040,842 and 18,964,422 is: 39,780,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040,842 : 18,964,422 = 18,964,422 : x
  2. Step 2: Convert to fraction form
    9,040,842/18,964,422 = 18,964,422/x
  3. Step 3: Cross multiply
    9,040,842x = 18,964,422 × 18,964,422
  4. Step 4: Simplify right side
    9,040,842x = 359,649,301,794,084
  5. Step 5: Solve for x
    x = 359,649,301,794,084/9,040,842
  6. Step 6: Final answer
    x = 39,780,509.58

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.