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Finding the Third Proportional to 4,244,728 and 9,161,668

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Solution

The third proportional to 4,244,728 and 9,161,668 is: 19,774,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,244,728 : 9,161,668 = 9,161,668 : x
  2. Step 2: Convert to fraction form
    4,244,728/9,161,668 = 9,161,668/x
  3. Step 3: Cross multiply
    4,244,728x = 9,161,668 × 9,161,668
  4. Step 4: Simplify right side
    4,244,728x = 83,936,160,542,224
  5. Step 5: Solve for x
    x = 83,936,160,542,224/4,244,728
  6. Step 6: Final answer
    x = 19,774,214.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.