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Finding the Third Proportional to 7,145,453.25 and 15,212,639.25

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Solution

The third proportional to 7,145,453.25 and 15,212,639.25 is: 32,387,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,453.25 : 15,212,639.25 = 15,212,639.25 : x
  2. Step 2: Convert to fraction form
    7,145,453.25/15,212,639.25 = 15,212,639.25/x
  3. Step 3: Cross multiply
    7,145,453.25x = 15,212,639.25 × 15,212,639.25
  4. Step 4: Simplify right side
    7,145,453.25x = 231,424,392,950,640.56
  5. Step 5: Solve for x
    x = 231,424,392,950,640.56/7,145,453.25
  6. Step 6: Final answer
    x = 32,387,643.56

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.