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Finding the Third Proportional to 114,515 and 171,246

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Solution

The third proportional to 114,515 and 171,246 is: 256,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,515 : 171,246 = 171,246 : x
  2. Step 2: Convert to fraction form
    114,515/171,246 = 171,246/x
  3. Step 3: Cross multiply
    114,515x = 171,246 × 171,246
  4. Step 4: Simplify right side
    114,515x = 29,325,192,516
  5. Step 5: Solve for x
    x = 29,325,192,516/114,515
  6. Step 6: Final answer
    x = 256,081.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.