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Finding the Third Proportional to 171,388 and 263,598

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Solution

The third proportional to 171,388 and 263,598 is: 405,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,388 : 263,598 = 263,598 : x
  2. Step 2: Convert to fraction form
    171,388/263,598 = 263,598/x
  3. Step 3: Cross multiply
    171,388x = 263,598 × 263,598
  4. Step 4: Simplify right side
    171,388x = 69,483,905,604
  5. Step 5: Solve for x
    x = 69,483,905,604/171,388
  6. Step 6: Final answer
    x = 405,418.73

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.