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Finding the Third Proportional to 74,314 and 163,392

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Solution

The third proportional to 74,314 and 163,392 is: 359,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314 : 163,392 = 163,392 : x
  2. Step 2: Convert to fraction form
    74,314/163,392 = 163,392/x
  3. Step 3: Cross multiply
    74,314x = 163,392 × 163,392
  4. Step 4: Simplify right side
    74,314x = 26,696,945,664
  5. Step 5: Solve for x
    x = 26,696,945,664/74,314
  6. Step 6: Final answer
    x = 359,245.17

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.