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Finding the Third Proportional to 214,574.25 and 324,622.50

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Solution

The third proportional to 214,574.25 and 324,622.50 is: 491,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,574.25 : 324,622.50 = 324,622.50 : x
  2. Step 2: Convert to fraction form
    214,574.25/324,622.50 = 324,622.50/x
  3. Step 3: Cross multiply
    214,574.25x = 324,622.50 × 324,622.50
  4. Step 4: Simplify right side
    214,574.25x = 105,379,767,506.25
  5. Step 5: Solve for x
    x = 105,379,767,506.25/214,574.25
  6. Step 6: Final answer
    x = 491,110.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.