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Finding the Third Proportional to 69,392 and 163,754

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Solution

The third proportional to 69,392 and 163,754 is: 386,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,392 : 163,754 = 163,754 : x
  2. Step 2: Convert to fraction form
    69,392/163,754 = 163,754/x
  3. Step 3: Cross multiply
    69,392x = 163,754 × 163,754
  4. Step 4: Simplify right side
    69,392x = 26,815,372,516
  5. Step 5: Solve for x
    x = 26,815,372,516/69,392
  6. Step 6: Final answer
    x = 386,433.20

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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.