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Finding the Third Proportional to 103,073 and 218,782

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Solution

The third proportional to 103,073 and 218,782 is: 464,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,073 : 218,782 = 218,782 : x
  2. Step 2: Convert to fraction form
    103,073/218,782 = 218,782/x
  3. Step 3: Cross multiply
    103,073x = 218,782 × 218,782
  4. Step 4: Simplify right side
    103,073x = 47,865,563,524
  5. Step 5: Solve for x
    x = 47,865,563,524/103,073
  6. Step 6: Final answer
    x = 464,385.08

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.