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Finding the Third Proportional to 68,905.69 and 100,624.78

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Solution

The third proportional to 68,905.69 and 100,624.78 is: 146,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905.69 : 100,624.78 = 100,624.78 : x
  2. Step 2: Convert to fraction form
    68,905.69/100,624.78 = 100,624.78/x
  3. Step 3: Cross multiply
    68,905.69x = 100,624.78 × 100,624.78
  4. Step 4: Simplify right side
    68,905.69x = 10,125,346,601.61
  5. Step 5: Solve for x
    x = 10,125,346,601.61/68,905.69
  6. Step 6: Final answer
    x = 146,945.01

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.