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Finding the Third Proportional to 81,504 and 124,677.75

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Solution

The third proportional to 81,504 and 124,677.75 is: 190,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,504 : 124,677.75 = 124,677.75 : x
  2. Step 2: Convert to fraction form
    81,504/124,677.75 = 124,677.75/x
  3. Step 3: Cross multiply
    81,504x = 124,677.75 × 124,677.75
  4. Step 4: Simplify right side
    81,504x = 15,544,541,345.06
  5. Step 5: Solve for x
    x = 15,544,541,345.06/81,504
  6. Step 6: Final answer
    x = 190,721.21

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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.