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Finding the Third Proportional to 9,691,728 and 15,004,928

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Solution

The third proportional to 9,691,728 and 15,004,928 is: 23,230,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,728 : 15,004,928 = 15,004,928 : x
  2. Step 2: Convert to fraction form
    9,691,728/15,004,928 = 15,004,928/x
  3. Step 3: Cross multiply
    9,691,728x = 15,004,928 × 15,004,928
  4. Step 4: Simplify right side
    9,691,728x = 225,147,864,285,184
  5. Step 5: Solve for x
    x = 225,147,864,285,184/9,691,728
  6. Step 6: Final answer
    x = 23,230,930.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.