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Finding the Third Proportional to 54,130 and 83,249

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Solution

The third proportional to 54,130 and 83,249 is: 128,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130 : 83,249 = 83,249 : x
  2. Step 2: Convert to fraction form
    54,130/83,249 = 83,249/x
  3. Step 3: Cross multiply
    54,130x = 83,249 × 83,249
  4. Step 4: Simplify right side
    54,130x = 6,930,396,001
  5. Step 5: Solve for x
    x = 6,930,396,001/54,130
  6. Step 6: Final answer
    x = 128,032.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.