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Finding the Third Proportional to 4,192,128 and 8,981,928

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Solution

The third proportional to 4,192,128 and 8,981,928 is: 19,244,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192,128 : 8,981,928 = 8,981,928 : x
  2. Step 2: Convert to fraction form
    4,192,128/8,981,928 = 8,981,928/x
  3. Step 3: Cross multiply
    4,192,128x = 8,981,928 × 8,981,928
  4. Step 4: Simplify right side
    4,192,128x = 80,675,030,597,184
  5. Step 5: Solve for x
    x = 80,675,030,597,184/4,192,128
  6. Step 6: Final answer
    x = 19,244,410.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.