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Finding the Third Proportional to 112,466 and 168,731

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Solution

The third proportional to 112,466 and 168,731 is: 253,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,466 : 168,731 = 168,731 : x
  2. Step 2: Convert to fraction form
    112,466/168,731 = 168,731/x
  3. Step 3: Cross multiply
    112,466x = 168,731 × 168,731
  4. Step 4: Simplify right side
    112,466x = 28,470,150,361
  5. Step 5: Solve for x
    x = 28,470,150,361/112,466
  6. Step 6: Final answer
    x = 253,144.51

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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.