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Finding the Third Proportional to 3,118,216 and 4,664,609

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Solution

The third proportional to 3,118,216 and 4,664,609 is: 6,977,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,216 : 4,664,609 = 4,664,609 : x
  2. Step 2: Convert to fraction form
    3,118,216/4,664,609 = 4,664,609/x
  3. Step 3: Cross multiply
    3,118,216x = 4,664,609 × 4,664,609
  4. Step 4: Simplify right side
    3,118,216x = 21,758,577,122,881
  5. Step 5: Solve for x
    x = 21,758,577,122,881/3,118,216
  6. Step 6: Final answer
    x = 6,977,892.85

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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.