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Finding the Third Proportional to 3,118,220 and 4,664,614

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Solution

The third proportional to 3,118,220 and 4,664,614 is: 6,977,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,220 : 4,664,614 = 4,664,614 : x
  2. Step 2: Convert to fraction form
    3,118,220/4,664,614 = 4,664,614/x
  3. Step 3: Cross multiply
    3,118,220x = 4,664,614 × 4,664,614
  4. Step 4: Simplify right side
    3,118,220x = 21,758,623,768,996
  5. Step 5: Solve for x
    x = 21,758,623,768,996/3,118,220
  6. Step 6: Final answer
    x = 6,977,898.86

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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.