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Finding the Third Proportional to 25,208 and 54,640

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Solution

The third proportional to 25,208 and 54,640 is: 118,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208 : 54,640 = 54,640 : x
  2. Step 2: Convert to fraction form
    25,208/54,640 = 54,640/x
  3. Step 3: Cross multiply
    25,208x = 54,640 × 54,640
  4. Step 4: Simplify right side
    25,208x = 2,985,529,600
  5. Step 5: Solve for x
    x = 2,985,529,600/25,208
  6. Step 6: Final answer
    x = 118,435.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.