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Finding the Third Proportional to 5,338,549 and 8,273,220

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Solution

The third proportional to 5,338,549 and 8,273,220 is: 12,821,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,549 : 8,273,220 = 8,273,220 : x
  2. Step 2: Convert to fraction form
    5,338,549/8,273,220 = 8,273,220/x
  3. Step 3: Cross multiply
    5,338,549x = 8,273,220 × 8,273,220
  4. Step 4: Simplify right side
    5,338,549x = 68,446,169,168,400
  5. Step 5: Solve for x
    x = 68,446,169,168,400/5,338,549
  6. Step 6: Final answer
    x = 12,821,118.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.