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Finding the Third Proportional to 1,378,647 and 2,992,666.50

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Solution

The third proportional to 1,378,647 and 2,992,666.50 is: 6,496,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,647 : 2,992,666.50 = 2,992,666.50 : x
  2. Step 2: Convert to fraction form
    1,378,647/2,992,666.50 = 2,992,666.50/x
  3. Step 3: Cross multiply
    1,378,647x = 2,992,666.50 × 2,992,666.50
  4. Step 4: Simplify right side
    1,378,647x = 8,956,052,780,222.25
  5. Step 5: Solve for x
    x = 8,956,052,780,222.25/1,378,647
  6. Step 6: Final answer
    x = 6,496,262.48

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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.