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Finding the Third Proportional to 102,969.75 and 225,621.75

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Solution

The third proportional to 102,969.75 and 225,621.75 is: 494,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,969.75 : 225,621.75 = 225,621.75 : x
  2. Step 2: Convert to fraction form
    102,969.75/225,621.75 = 225,621.75/x
  3. Step 3: Cross multiply
    102,969.75x = 225,621.75 × 225,621.75
  4. Step 4: Simplify right side
    102,969.75x = 50,905,174,073.06
  5. Step 5: Solve for x
    x = 50,905,174,073.06/102,969.75
  6. Step 6: Final answer
    x = 494,370.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.