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Finding the Third Proportional to 1,749,378.94 and 3,638,418.75

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Solution

The third proportional to 1,749,378.94 and 3,638,418.75 is: 7,567,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,378.94 : 3,638,418.75 = 3,638,418.75 : x
  2. Step 2: Convert to fraction form
    1,749,378.94/3,638,418.75 = 3,638,418.75/x
  3. Step 3: Cross multiply
    1,749,378.94x = 3,638,418.75 × 3,638,418.75
  4. Step 4: Simplify right side
    1,749,378.94x = 13,238,091,000,351.56
  5. Step 5: Solve for x
    x = 13,238,091,000,351.56/1,749,378.94
  6. Step 6: Final answer
    x = 7,567,309.01

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.