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Finding the Third Proportional to 274,560 and 417,168

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Solution

The third proportional to 274,560 and 417,168 is: 633,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,560 : 417,168 = 417,168 : x
  2. Step 2: Convert to fraction form
    274,560/417,168 = 417,168/x
  3. Step 3: Cross multiply
    274,560x = 417,168 × 417,168
  4. Step 4: Simplify right side
    274,560x = 174,029,140,224
  5. Step 5: Solve for x
    x = 174,029,140,224/274,560
  6. Step 6: Final answer
    x = 633,847.39

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.