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Finding the Third Proportional to 79,803 and 163,251

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Solution

The third proportional to 79,803 and 163,251 is: 333,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803 : 163,251 = 163,251 : x
  2. Step 2: Convert to fraction form
    79,803/163,251 = 163,251/x
  3. Step 3: Cross multiply
    79,803x = 163,251 × 163,251
  4. Step 4: Simplify right side
    79,803x = 26,650,889,001
  5. Step 5: Solve for x
    x = 26,650,889,001/79,803
  6. Step 6: Final answer
    x = 333,958.49

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.