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Finding the Third Proportional to 100,065.50 and 152,162.50

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Solution

The third proportional to 100,065.50 and 152,162.50 is: 231,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,065.50 : 152,162.50 = 152,162.50 : x
  2. Step 2: Convert to fraction form
    100,065.50/152,162.50 = 152,162.50/x
  3. Step 3: Cross multiply
    100,065.50x = 152,162.50 × 152,162.50
  4. Step 4: Simplify right side
    100,065.50x = 23,153,426,406.25
  5. Step 5: Solve for x
    x = 23,153,426,406.25/100,065.50
  6. Step 6: Final answer
    x = 231,382.71

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.