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Finding the Third Proportional to 101,234.50 and 221,535.50

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Solution

The third proportional to 101,234.50 and 221,535.50 is: 484,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,234.50 : 221,535.50 = 221,535.50 : x
  2. Step 2: Convert to fraction form
    101,234.50/221,535.50 = 221,535.50/x
  3. Step 3: Cross multiply
    101,234.50x = 221,535.50 × 221,535.50
  4. Step 4: Simplify right side
    101,234.50x = 49,077,977,760.25
  5. Step 5: Solve for x
    x = 49,077,977,760.25/101,234.50
  6. Step 6: Final answer
    x = 484,794.98

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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.