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Finding the Third Proportional to 106,312 and 171,296

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Solution

The third proportional to 106,312 and 171,296 is: 276,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,312 : 171,296 = 171,296 : x
  2. Step 2: Convert to fraction form
    106,312/171,296 = 171,296/x
  3. Step 3: Cross multiply
    106,312x = 171,296 × 171,296
  4. Step 4: Simplify right side
    106,312x = 29,342,319,616
  5. Step 5: Solve for x
    x = 29,342,319,616/106,312
  6. Step 6: Final answer
    x = 276,001.95

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.