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Finding the Third Proportional to 27,728,121 and 43,104,281

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Solution

The third proportional to 27,728,121 and 43,104,281 is: 67,007,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,728,121 : 43,104,281 = 43,104,281 : x
  2. Step 2: Convert to fraction form
    27,728,121/43,104,281 = 43,104,281/x
  3. Step 3: Cross multiply
    27,728,121x = 43,104,281 × 43,104,281
  4. Step 4: Simplify right side
    27,728,121x = 1,857,979,040,526,961
  5. Step 5: Solve for x
    x = 1,857,979,040,526,961/27,728,121
  6. Step 6: Final answer
    x = 67,007,030.17

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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.