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Finding the Third Proportional to 225,817.50 and 330,247.50

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Solution

The third proportional to 225,817.50 and 330,247.50 is: 482,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,817.50 : 330,247.50 = 330,247.50 : x
  2. Step 2: Convert to fraction form
    225,817.50/330,247.50 = 330,247.50/x
  3. Step 3: Cross multiply
    225,817.50x = 330,247.50 × 330,247.50
  4. Step 4: Simplify right side
    225,817.50x = 109,063,411,256.25
  5. Step 5: Solve for x
    x = 109,063,411,256.25/225,817.50
  6. Step 6: Final answer
    x = 482,971.48

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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.