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Finding the Third Proportional to 3,118,218 and 4,664,611

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Solution

The third proportional to 3,118,218 and 4,664,611 is: 6,977,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,218 : 4,664,611 = 4,664,611 : x
  2. Step 2: Convert to fraction form
    3,118,218/4,664,611 = 4,664,611/x
  3. Step 3: Cross multiply
    3,118,218x = 4,664,611 × 4,664,611
  4. Step 4: Simplify right side
    3,118,218x = 21,758,595,781,321
  5. Step 5: Solve for x
    x = 21,758,595,781,321/3,118,218
  6. Step 6: Final answer
    x = 6,977,894.36

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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.