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Finding the Third Proportional to 68,248.50 and 105,288.75

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Solution

The third proportional to 68,248.50 and 105,288.75 is: 162,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,248.50 : 105,288.75 = 105,288.75 : x
  2. Step 2: Convert to fraction form
    68,248.50/105,288.75 = 105,288.75/x
  3. Step 3: Cross multiply
    68,248.50x = 105,288.75 × 105,288.75
  4. Step 4: Simplify right side
    68,248.50x = 11,085,720,876.56
  5. Step 5: Solve for x
    x = 11,085,720,876.56/68,248.50
  6. Step 6: Final answer
    x = 162,431.71

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.