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Finding the Third Proportional to 103,504.75 and 221,765

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Solution

The third proportional to 103,504.75 and 221,765 is: 475,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,504.75 : 221,765 = 221,765 : x
  2. Step 2: Convert to fraction form
    103,504.75/221,765 = 221,765/x
  3. Step 3: Cross multiply
    103,504.75x = 221,765 × 221,765
  4. Step 4: Simplify right side
    103,504.75x = 49,179,715,225
  5. Step 5: Solve for x
    x = 49,179,715,225/103,504.75
  6. Step 6: Final answer
    x = 475,144.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.