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Finding the Third Proportional to 69,372 and 163,674

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Solution

The third proportional to 69,372 and 163,674 is: 386,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,372 : 163,674 = 163,674 : x
  2. Step 2: Convert to fraction form
    69,372/163,674 = 163,674/x
  3. Step 3: Cross multiply
    69,372x = 163,674 × 163,674
  4. Step 4: Simplify right side
    69,372x = 26,789,178,276
  5. Step 5: Solve for x
    x = 26,789,178,276/69,372
  6. Step 6: Final answer
    x = 386,167.02

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.