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Finding the Third Proportional to 4,187,208 and 9,200,180

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Solution

The third proportional to 4,187,208 and 9,200,180 is: 20,214,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187,208 : 9,200,180 = 9,200,180 : x
  2. Step 2: Convert to fraction form
    4,187,208/9,200,180 = 9,200,180/x
  3. Step 3: Cross multiply
    4,187,208x = 9,200,180 × 9,200,180
  4. Step 4: Simplify right side
    4,187,208x = 84,643,312,032,400
  5. Step 5: Solve for x
    x = 84,643,312,032,400/4,187,208
  6. Step 6: Final answer
    x = 20,214,737.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.