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Finding the Third Proportional to 333,224 and 516,120

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Solution

The third proportional to 333,224 and 516,120 is: 799,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,224 : 516,120 = 516,120 : x
  2. Step 2: Convert to fraction form
    333,224/516,120 = 516,120/x
  3. Step 3: Cross multiply
    333,224x = 516,120 × 516,120
  4. Step 4: Simplify right side
    333,224x = 266,379,854,400
  5. Step 5: Solve for x
    x = 266,379,854,400/333,224
  6. Step 6: Final answer
    x = 799,401.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.