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Finding the Third Proportional to 1,908,904 and 4,149,137

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Solution

The third proportional to 1,908,904 and 4,149,137 is: 9,018,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,904 : 4,149,137 = 4,149,137 : x
  2. Step 2: Convert to fraction form
    1,908,904/4,149,137 = 4,149,137/x
  3. Step 3: Cross multiply
    1,908,904x = 4,149,137 × 4,149,137
  4. Step 4: Simplify right side
    1,908,904x = 17,215,337,844,769
  5. Step 5: Solve for x
    x = 17,215,337,844,769/1,908,904
  6. Step 6: Final answer
    x = 9,018,440.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.