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Finding the Third Proportional to 84,484 and 179,288

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Solution

The third proportional to 84,484 and 179,288 is: 380,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,484 : 179,288 = 179,288 : x
  2. Step 2: Convert to fraction form
    84,484/179,288 = 179,288/x
  3. Step 3: Cross multiply
    84,484x = 179,288 × 179,288
  4. Step 4: Simplify right side
    84,484x = 32,144,186,944
  5. Step 5: Solve for x
    x = 32,144,186,944/84,484
  6. Step 6: Final answer
    x = 380,476.62

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.