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Finding the Third Proportional to 71,624.25 and 153,819

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Solution

The third proportional to 71,624.25 and 153,819 is: 330,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,624.25 : 153,819 = 153,819 : x
  2. Step 2: Convert to fraction form
    71,624.25/153,819 = 153,819/x
  3. Step 3: Cross multiply
    71,624.25x = 153,819 × 153,819
  4. Step 4: Simplify right side
    71,624.25x = 23,660,284,761
  5. Step 5: Solve for x
    x = 23,660,284,761/71,624.25
  6. Step 6: Final answer
    x = 330,339.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.