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Finding the Third Proportional to 551,806 and 1,188,135

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Solution

The third proportional to 551,806 and 1,188,135 is: 2,558,262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,806 : 1,188,135 = 1,188,135 : x
  2. Step 2: Convert to fraction form
    551,806/1,188,135 = 1,188,135/x
  3. Step 3: Cross multiply
    551,806x = 1,188,135 × 1,188,135
  4. Step 4: Simplify right side
    551,806x = 1,411,664,778,225
  5. Step 5: Solve for x
    x = 1,411,664,778,225/551,806
  6. Step 6: Final answer
    x = 2,558,262.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.