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Finding the Third Proportional to 54,805 and 84,524

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Solution

The third proportional to 54,805 and 84,524 is: 130,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,805 : 84,524 = 84,524 : x
  2. Step 2: Convert to fraction form
    54,805/84,524 = 84,524/x
  3. Step 3: Cross multiply
    54,805x = 84,524 × 84,524
  4. Step 4: Simplify right side
    54,805x = 7,144,306,576
  5. Step 5: Solve for x
    x = 7,144,306,576/54,805
  6. Step 6: Final answer
    x = 130,358.66

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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.