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Finding the Third Proportional to 171,528 and 371,676

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Solution

The third proportional to 171,528 and 371,676 is: 805,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,528 : 371,676 = 371,676 : x
  2. Step 2: Convert to fraction form
    171,528/371,676 = 371,676/x
  3. Step 3: Cross multiply
    171,528x = 371,676 × 371,676
  4. Step 4: Simplify right side
    171,528x = 138,143,048,976
  5. Step 5: Solve for x
    x = 138,143,048,976/171,528
  6. Step 6: Final answer
    x = 805,367.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.