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Finding the Third Proportional to 876,879 and 1,912,450.50

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Solution

The third proportional to 876,879 and 1,912,450.50 is: 4,171,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,879 : 1,912,450.50 = 1,912,450.50 : x
  2. Step 2: Convert to fraction form
    876,879/1,912,450.50 = 1,912,450.50/x
  3. Step 3: Cross multiply
    876,879x = 1,912,450.50 × 1,912,450.50
  4. Step 4: Simplify right side
    876,879x = 3,657,466,914,950.25
  5. Step 5: Solve for x
    x = 3,657,466,914,950.25/876,879
  6. Step 6: Final answer
    x = 4,171,005.25

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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.