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Finding the Third Proportional to 549,108 and 818,844

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Solution

The third proportional to 549,108 and 818,844 is: 1,221,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,108 : 818,844 = 818,844 : x
  2. Step 2: Convert to fraction form
    549,108/818,844 = 818,844/x
  3. Step 3: Cross multiply
    549,108x = 818,844 × 818,844
  4. Step 4: Simplify right side
    549,108x = 670,505,496,336
  5. Step 5: Solve for x
    x = 670,505,496,336/549,108
  6. Step 6: Final answer
    x = 1,221,081.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.