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Finding the Third Proportional to 1,378,015.03 and 2,991,952.69

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Solution

The third proportional to 1,378,015.03 and 2,991,952.69 is: 6,496,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,015.03 : 2,991,952.69 = 2,991,952.69 : x
  2. Step 2: Convert to fraction form
    1,378,015.03/2,991,952.69 = 2,991,952.69/x
  3. Step 3: Cross multiply
    1,378,015.03x = 2,991,952.69 × 2,991,952.69
  4. Step 4: Simplify right side
    1,378,015.03x = 8,951,780,884,238.47
  5. Step 5: Solve for x
    x = 8,951,780,884,238.47/1,378,015.03
  6. Step 6: Final answer
    x = 6,496,141.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.