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Finding the Third Proportional to 54,783 and 82,761.75

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Solution

The third proportional to 54,783 and 82,761.75 is: 125,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,783 : 82,761.75 = 82,761.75 : x
  2. Step 2: Convert to fraction form
    54,783/82,761.75 = 82,761.75/x
  3. Step 3: Cross multiply
    54,783x = 82,761.75 × 82,761.75
  4. Step 4: Simplify right side
    54,783x = 6,849,507,263.06
  5. Step 5: Solve for x
    x = 6,849,507,263.06/54,783
  6. Step 6: Final answer
    x = 125,029.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.