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Finding the Third Proportional to 54,650 and 117,912

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Solution

The third proportional to 54,650 and 117,912 is: 254,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650 : 117,912 = 117,912 : x
  2. Step 2: Convert to fraction form
    54,650/117,912 = 117,912/x
  3. Step 3: Cross multiply
    54,650x = 117,912 × 117,912
  4. Step 4: Simplify right side
    54,650x = 13,903,239,744
  5. Step 5: Solve for x
    x = 13,903,239,744/54,650
  6. Step 6: Final answer
    x = 254,405.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.