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Finding the Third Proportional to 3,118,221 and 4,664,616

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Solution

The third proportional to 3,118,221 and 4,664,616 is: 6,977,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,221 : 4,664,616 = 4,664,616 : x
  2. Step 2: Convert to fraction form
    3,118,221/4,664,616 = 4,664,616/x
  3. Step 3: Cross multiply
    3,118,221x = 4,664,616 × 4,664,616
  4. Step 4: Simplify right side
    3,118,221x = 21,758,642,427,456
  5. Step 5: Solve for x
    x = 21,758,642,427,456/3,118,221
  6. Step 6: Final answer
    x = 6,977,902.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.