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Finding the Third Proportional to 12,844,969.31 and 21,086,952.47

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Solution

The third proportional to 12,844,969.31 and 21,086,952.47 is: 34,617,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844,969.31 : 21,086,952.47 = 21,086,952.47 : x
  2. Step 2: Convert to fraction form
    12,844,969.31/21,086,952.47 = 21,086,952.47/x
  3. Step 3: Cross multiply
    12,844,969.31x = 21,086,952.47 × 21,086,952.47
  4. Step 4: Simplify right side
    12,844,969.31x = 444,659,564,419,321.75
  5. Step 5: Solve for x
    x = 444,659,564,419,321.75/12,844,969.31
  6. Step 6: Final answer
    x = 34,617,409.63

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.