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Finding the Third Proportional to 112,261 and 168,392

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Solution

The third proportional to 112,261 and 168,392 is: 252,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,261 : 168,392 = 168,392 : x
  2. Step 2: Convert to fraction form
    112,261/168,392 = 168,392/x
  3. Step 3: Cross multiply
    112,261x = 168,392 × 168,392
  4. Step 4: Simplify right side
    112,261x = 28,355,865,664
  5. Step 5: Solve for x
    x = 28,355,865,664/112,261
  6. Step 6: Final answer
    x = 252,588.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.