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Finding the Third Proportional to 120,608 and 262,668

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Solution

The third proportional to 120,608 and 262,668 is: 572,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,608 : 262,668 = 262,668 : x
  2. Step 2: Convert to fraction form
    120,608/262,668 = 262,668/x
  3. Step 3: Cross multiply
    120,608x = 262,668 × 262,668
  4. Step 4: Simplify right side
    120,608x = 68,994,478,224
  5. Step 5: Solve for x
    x = 68,994,478,224/120,608
  6. Step 6: Final answer
    x = 572,055.57

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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.