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Finding the Third Proportional to 100,947 and 219,573

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Solution

The third proportional to 100,947 and 219,573 is: 477,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,947 : 219,573 = 219,573 : x
  2. Step 2: Convert to fraction form
    100,947/219,573 = 219,573/x
  3. Step 3: Cross multiply
    100,947x = 219,573 × 219,573
  4. Step 4: Simplify right side
    100,947x = 48,212,302,329
  5. Step 5: Solve for x
    x = 48,212,302,329/100,947
  6. Step 6: Final answer
    x = 477,600.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.