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Finding the Third Proportional to 976,578.75 and 2,142,249.50

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Solution

The third proportional to 976,578.75 and 2,142,249.50 is: 4,699,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,578.75 : 2,142,249.50 = 2,142,249.50 : x
  2. Step 2: Convert to fraction form
    976,578.75/2,142,249.50 = 2,142,249.50/x
  3. Step 3: Cross multiply
    976,578.75x = 2,142,249.50 × 2,142,249.50
  4. Step 4: Simplify right side
    976,578.75x = 4,589,232,920,250.25
  5. Step 5: Solve for x
    x = 4,589,232,920,250.25/976,578.75
  6. Step 6: Final answer
    x = 4,699,296.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.