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Finding the Third Proportional to 54,190 and 130,546

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Solution

The third proportional to 54,190 and 130,546 is: 314,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190 : 130,546 = 130,546 : x
  2. Step 2: Convert to fraction form
    54,190/130,546 = 130,546/x
  3. Step 3: Cross multiply
    54,190x = 130,546 × 130,546
  4. Step 4: Simplify right side
    54,190x = 17,042,258,116
  5. Step 5: Solve for x
    x = 17,042,258,116/54,190
  6. Step 6: Final answer
    x = 314,490.83

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.