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Finding the Third Proportional to 175,272 and 262,611

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Solution

The third proportional to 175,272 and 262,611 is: 393,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,272 : 262,611 = 262,611 : x
  2. Step 2: Convert to fraction form
    175,272/262,611 = 262,611/x
  3. Step 3: Cross multiply
    175,272x = 262,611 × 262,611
  4. Step 4: Simplify right side
    175,272x = 68,964,537,321
  5. Step 5: Solve for x
    x = 68,964,537,321/175,272
  6. Step 6: Final answer
    x = 393,471.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.