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Finding the Third Proportional to 2,115,898.50 and 4,994,014.50

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Solution

The third proportional to 2,115,898.50 and 4,994,014.50 is: 11,787,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,898.50 : 4,994,014.50 = 4,994,014.50 : x
  2. Step 2: Convert to fraction form
    2,115,898.50/4,994,014.50 = 4,994,014.50/x
  3. Step 3: Cross multiply
    2,115,898.50x = 4,994,014.50 × 4,994,014.50
  4. Step 4: Simplify right side
    2,115,898.50x = 24,940,180,826,210.25
  5. Step 5: Solve for x
    x = 24,940,180,826,210.25/2,115,898.50
  6. Step 6: Final answer
    x = 11,787,040.27

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.