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Finding the Third Proportional to 4,318,668 and 9,450,906

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Solution

The third proportional to 4,318,668 and 9,450,906 is: 20,682,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318,668 : 9,450,906 = 9,450,906 : x
  2. Step 2: Convert to fraction form
    4,318,668/9,450,906 = 9,450,906/x
  3. Step 3: Cross multiply
    4,318,668x = 9,450,906 × 9,450,906
  4. Step 4: Simplify right side
    4,318,668x = 89,319,624,220,836
  5. Step 5: Solve for x
    x = 89,319,624,220,836/4,318,668
  6. Step 6: Final answer
    x = 20,682,215.96

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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.