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Finding the Third Proportional to 170,688 and 267,768

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Solution

The third proportional to 170,688 and 267,768 is: 420,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,688 : 267,768 = 267,768 : x
  2. Step 2: Convert to fraction form
    170,688/267,768 = 267,768/x
  3. Step 3: Cross multiply
    170,688x = 267,768 × 267,768
  4. Step 4: Simplify right side
    170,688x = 71,699,701,824
  5. Step 5: Solve for x
    x = 71,699,701,824/170,688
  6. Step 6: Final answer
    x = 420,062.93

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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.