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Finding the Third Proportional to 1,322,378 and 1,964,127

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Solution

The third proportional to 1,322,378 and 1,964,127 is: 2,917,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,378 : 1,964,127 = 1,964,127 : x
  2. Step 2: Convert to fraction form
    1,322,378/1,964,127 = 1,964,127/x
  3. Step 3: Cross multiply
    1,322,378x = 1,964,127 × 1,964,127
  4. Step 4: Simplify right side
    1,322,378x = 3,857,794,872,129
  5. Step 5: Solve for x
    x = 3,857,794,872,129/1,322,378
  6. Step 6: Final answer
    x = 2,917,316.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.