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Finding the Third Proportional to 112,131 and 171,699.75

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Solution

The third proportional to 112,131 and 171,699.75 is: 262,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,131 : 171,699.75 = 171,699.75 : x
  2. Step 2: Convert to fraction form
    112,131/171,699.75 = 171,699.75/x
  3. Step 3: Cross multiply
    112,131x = 171,699.75 × 171,699.75
  4. Step 4: Simplify right side
    112,131x = 29,480,804,150.06
  5. Step 5: Solve for x
    x = 29,480,804,150.06/112,131
  6. Step 6: Final answer
    x = 262,913.95

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.