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Finding the Third Proportional to 54,644 and 83,553

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Solution

The third proportional to 54,644 and 83,553 is: 127,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644 : 83,553 = 83,553 : x
  2. Step 2: Convert to fraction form
    54,644/83,553 = 83,553/x
  3. Step 3: Cross multiply
    54,644x = 83,553 × 83,553
  4. Step 4: Simplify right side
    54,644x = 6,981,103,809
  5. Step 5: Solve for x
    x = 6,981,103,809/54,644
  6. Step 6: Final answer
    x = 127,756.09

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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.