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Finding the Third Proportional to 1,010,905.50 and 2,198,947.50

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Solution

The third proportional to 1,010,905.50 and 2,198,947.50 is: 4,783,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,905.50 : 2,198,947.50 = 2,198,947.50 : x
  2. Step 2: Convert to fraction form
    1,010,905.50/2,198,947.50 = 2,198,947.50/x
  3. Step 3: Cross multiply
    1,010,905.50x = 2,198,947.50 × 2,198,947.50
  4. Step 4: Simplify right side
    1,010,905.50x = 4,835,370,107,756.25
  5. Step 5: Solve for x
    x = 4,835,370,107,756.25/1,010,905.50
  6. Step 6: Final answer
    x = 4,783,206.85

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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.