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Finding the Third Proportional to 53,091 and 82,377

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Solution

The third proportional to 53,091 and 82,377 is: 127,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091 : 82,377 = 82,377 : x
  2. Step 2: Convert to fraction form
    53,091/82,377 = 82,377/x
  3. Step 3: Cross multiply
    53,091x = 82,377 × 82,377
  4. Step 4: Simplify right side
    53,091x = 6,785,970,129
  5. Step 5: Solve for x
    x = 6,785,970,129/53,091
  6. Step 6: Final answer
    x = 127,817.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.