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Finding the Third Proportional to 170,528 and 267,512

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Solution

The third proportional to 170,528 and 267,512 is: 419,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,528 : 267,512 = 267,512 : x
  2. Step 2: Convert to fraction form
    170,528/267,512 = 267,512/x
  3. Step 3: Cross multiply
    170,528x = 267,512 × 267,512
  4. Step 4: Simplify right side
    170,528x = 71,562,670,144
  5. Step 5: Solve for x
    x = 71,562,670,144/170,528
  6. Step 6: Final answer
    x = 419,653.49

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.