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Finding the Third Proportional to 920,919 and 1,887,481.50

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Solution

The third proportional to 920,919 and 1,887,481.50 is: 3,868,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,919 : 1,887,481.50 = 1,887,481.50 : x
  2. Step 2: Convert to fraction form
    920,919/1,887,481.50 = 1,887,481.50/x
  3. Step 3: Cross multiply
    920,919x = 1,887,481.50 × 1,887,481.50
  4. Step 4: Simplify right side
    920,919x = 3,562,586,412,842.25
  5. Step 5: Solve for x
    x = 3,562,586,412,842.25/920,919
  6. Step 6: Final answer
    x = 3,868,512.23

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.