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Finding the Third Proportional to 16,380,679.36 and 35,642,366.72

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Solution

The third proportional to 16,380,679.36 and 35,642,366.72 is: 77,553,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380,679.36 : 35,642,366.72 = 35,642,366.72 : x
  2. Step 2: Convert to fraction form
    16,380,679.36/35,642,366.72 = 35,642,366.72/x
  3. Step 3: Cross multiply
    16,380,679.36x = 35,642,366.72 × 35,642,366.72
  4. Step 4: Simplify right side
    16,380,679.36x = 1,270,378,305,313,857.75
  5. Step 5: Solve for x
    x = 1,270,378,305,313,857.75/16,380,679.36
  6. Step 6: Final answer
    x = 77,553,456.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.