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Finding the Third Proportional to 7,389,450 and 11,767,162

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Solution

The third proportional to 7,389,450 and 11,767,162 is: 18,738,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389,450 : 11,767,162 = 11,767,162 : x
  2. Step 2: Convert to fraction form
    7,389,450/11,767,162 = 11,767,162/x
  3. Step 3: Cross multiply
    7,389,450x = 11,767,162 × 11,767,162
  4. Step 4: Simplify right side
    7,389,450x = 138,466,101,534,244
  5. Step 5: Solve for x
    x = 138,466,101,534,244/7,389,450
  6. Step 6: Final answer
    x = 18,738,350.15

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.