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Finding the Third Proportional to 2,015,809.50 and 4,385,913

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Solution

The third proportional to 2,015,809.50 and 4,385,913 is: 9,542,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,809.50 : 4,385,913 = 4,385,913 : x
  2. Step 2: Convert to fraction form
    2,015,809.50/4,385,913 = 4,385,913/x
  3. Step 3: Cross multiply
    2,015,809.50x = 4,385,913 × 4,385,913
  4. Step 4: Simplify right side
    2,015,809.50x = 19,236,232,843,569
  5. Step 5: Solve for x
    x = 19,236,232,843,569/2,015,809.50
  6. Step 6: Final answer
    x = 9,542,683.89

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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.