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Finding the Third Proportional to 247,122 and 539,563

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Solution

The third proportional to 247,122 and 539,563 is: 1,178,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,122 : 539,563 = 539,563 : x
  2. Step 2: Convert to fraction form
    247,122/539,563 = 539,563/x
  3. Step 3: Cross multiply
    247,122x = 539,563 × 539,563
  4. Step 4: Simplify right side
    247,122x = 291,128,230,969
  5. Step 5: Solve for x
    x = 291,128,230,969/247,122
  6. Step 6: Final answer
    x = 1,178,074.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.