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Finding the Third Proportional to 100,865.50 and 146,568.75

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Solution

The third proportional to 100,865.50 and 146,568.75 is: 212,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,865.50 : 146,568.75 = 146,568.75 : x
  2. Step 2: Convert to fraction form
    100,865.50/146,568.75 = 146,568.75/x
  3. Step 3: Cross multiply
    100,865.50x = 146,568.75 × 146,568.75
  4. Step 4: Simplify right side
    100,865.50x = 21,482,398,476.56
  5. Step 5: Solve for x
    x = 21,482,398,476.56/100,865.50
  6. Step 6: Final answer
    x = 212,980.64

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.