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Finding the Third Proportional to 103,153.50 and 219,327.75

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Solution

The third proportional to 103,153.50 and 219,327.75 is: 466,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,153.50 : 219,327.75 = 219,327.75 : x
  2. Step 2: Convert to fraction form
    103,153.50/219,327.75 = 219,327.75/x
  3. Step 3: Cross multiply
    103,153.50x = 219,327.75 × 219,327.75
  4. Step 4: Simplify right side
    103,153.50x = 48,104,661,920.06
  5. Step 5: Solve for x
    x = 48,104,661,920.06/103,153.50
  6. Step 6: Final answer
    x = 466,340.57

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.