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Finding the Third Proportional to 85,324 and 132,818

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Solution

The third proportional to 85,324 and 132,818 is: 206,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,324 : 132,818 = 132,818 : x
  2. Step 2: Convert to fraction form
    85,324/132,818 = 132,818/x
  3. Step 3: Cross multiply
    85,324x = 132,818 × 132,818
  4. Step 4: Simplify right side
    85,324x = 17,640,621,124
  5. Step 5: Solve for x
    x = 17,640,621,124/85,324
  6. Step 6: Final answer
    x = 206,748.64

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.