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Finding the Third Proportional to 5,208,189 and 8,287,611

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Solution

The third proportional to 5,208,189 and 8,287,611 is: 13,187,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,189 : 8,287,611 = 8,287,611 : x
  2. Step 2: Convert to fraction form
    5,208,189/8,287,611 = 8,287,611/x
  3. Step 3: Cross multiply
    5,208,189x = 8,287,611 × 8,287,611
  4. Step 4: Simplify right side
    5,208,189x = 68,684,496,087,321
  5. Step 5: Solve for x
    x = 68,684,496,087,321/5,208,189
  6. Step 6: Final answer
    x = 13,187,788.71

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.