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Finding the Third Proportional to 25,639 and 54,553

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Solution

The third proportional to 25,639 and 54,553 is: 116,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639 : 54,553 = 54,553 : x
  2. Step 2: Convert to fraction form
    25,639/54,553 = 54,553/x
  3. Step 3: Cross multiply
    25,639x = 54,553 × 54,553
  4. Step 4: Simplify right side
    25,639x = 2,976,029,809
  5. Step 5: Solve for x
    x = 2,976,029,809/25,639
  6. Step 6: Final answer
    x = 116,074.33

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.