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Finding the Third Proportional to 112,103 and 221,092

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Solution

The third proportional to 112,103 and 221,092 is: 436,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103 : 221,092 = 221,092 : x
  2. Step 2: Convert to fraction form
    112,103/221,092 = 221,092/x
  3. Step 3: Cross multiply
    112,103x = 221,092 × 221,092
  4. Step 4: Simplify right side
    112,103x = 48,881,672,464
  5. Step 5: Solve for x
    x = 48,881,672,464/112,103
  6. Step 6: Final answer
    x = 436,042.50

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.