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Finding the Third Proportional to 84,916.50 and 179,946.75

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Solution

The third proportional to 84,916.50 and 179,946.75 is: 381,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,916.50 : 179,946.75 = 179,946.75 : x
  2. Step 2: Convert to fraction form
    84,916.50/179,946.75 = 179,946.75/x
  3. Step 3: Cross multiply
    84,916.50x = 179,946.75 × 179,946.75
  4. Step 4: Simplify right side
    84,916.50x = 32,380,832,835.56
  5. Step 5: Solve for x
    x = 32,380,832,835.56/84,916.50
  6. Step 6: Final answer
    x = 381,325.57

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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.