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Finding the Third Proportional to 753,690 and 1,642,893.75

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Solution

The third proportional to 753,690 and 1,642,893.75 is: 3,581,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,690 : 1,642,893.75 = 1,642,893.75 : x
  2. Step 2: Convert to fraction form
    753,690/1,642,893.75 = 1,642,893.75/x
  3. Step 3: Cross multiply
    753,690x = 1,642,893.75 × 1,642,893.75
  4. Step 4: Simplify right side
    753,690x = 2,699,099,873,789.06
  5. Step 5: Solve for x
    x = 2,699,099,873,789.06/753,690
  6. Step 6: Final answer
    x = 3,581,180.42

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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.