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Finding the Third Proportional to 68,426 and 102,366

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Solution

The third proportional to 68,426 and 102,366 is: 153,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,426 : 102,366 = 102,366 : x
  2. Step 2: Convert to fraction form
    68,426/102,366 = 102,366/x
  3. Step 3: Cross multiply
    68,426x = 102,366 × 102,366
  4. Step 4: Simplify right side
    68,426x = 10,478,797,956
  5. Step 5: Solve for x
    x = 10,478,797,956/68,426
  6. Step 6: Final answer
    x = 153,140.59

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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.