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Finding the Third Proportional to 221,018.63 and 337,871.25

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Solution

The third proportional to 221,018.63 and 337,871.25 is: 516,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,018.63 : 337,871.25 = 337,871.25 : x
  2. Step 2: Convert to fraction form
    221,018.63/337,871.25 = 337,871.25/x
  3. Step 3: Cross multiply
    221,018.63x = 337,871.25 × 337,871.25
  4. Step 4: Simplify right side
    221,018.63x = 114,156,981,576.56
  5. Step 5: Solve for x
    x = 114,156,981,576.56/221,018.63
  6. Step 6: Final answer
    x = 516,503.90

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.