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Finding the Third Proportional to 82,846 and 129,599.75

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Solution

The third proportional to 82,846 and 129,599.75 is: 202,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,846 : 129,599.75 = 129,599.75 : x
  2. Step 2: Convert to fraction form
    82,846/129,599.75 = 129,599.75/x
  3. Step 3: Cross multiply
    82,846x = 129,599.75 × 129,599.75
  4. Step 4: Simplify right side
    82,846x = 16,796,095,200.06
  5. Step 5: Solve for x
    x = 16,796,095,200.06/82,846
  6. Step 6: Final answer
    x = 202,738.76

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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.