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Finding the Third Proportional to 7,448,794.88 and 11,538,558.56

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Solution

The third proportional to 7,448,794.88 and 11,538,558.56 is: 17,873,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,794.88 : 11,538,558.56 = 11,538,558.56 : x
  2. Step 2: Convert to fraction form
    7,448,794.88/11,538,558.56 = 11,538,558.56/x
  3. Step 3: Cross multiply
    7,448,794.88x = 11,538,558.56 × 11,538,558.56
  4. Step 4: Simplify right side
    7,448,794.88x = 133,138,333,700,242.06
  5. Step 5: Solve for x
    x = 133,138,333,700,242.06/7,448,794.88
  6. Step 6: Final answer
    x = 17,873,808.57

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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.