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Finding the Third Proportional to 81,500.06 and 124,671.75

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Solution

The third proportional to 81,500.06 and 124,671.75 is: 190,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,500.06 : 124,671.75 = 124,671.75 : x
  2. Step 2: Convert to fraction form
    81,500.06/124,671.75 = 124,671.75/x
  3. Step 3: Cross multiply
    81,500.06x = 124,671.75 × 124,671.75
  4. Step 4: Simplify right side
    81,500.06x = 15,543,045,248.06
  5. Step 5: Solve for x
    x = 15,543,045,248.06/81,500.06
  6. Step 6: Final answer
    x = 190,712.07

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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.