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Finding the Third Proportional to 3,212,630 and 6,985,132

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Solution

The third proportional to 3,212,630 and 6,985,132 is: 15,187,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,630 : 6,985,132 = 6,985,132 : x
  2. Step 2: Convert to fraction form
    3,212,630/6,985,132 = 6,985,132/x
  3. Step 3: Cross multiply
    3,212,630x = 6,985,132 × 6,985,132
  4. Step 4: Simplify right side
    3,212,630x = 48,792,069,057,424
  5. Step 5: Solve for x
    x = 48,792,069,057,424/3,212,630
  6. Step 6: Final answer
    x = 15,187,578.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.