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Finding the Third Proportional to 54,765 and 117,722.25

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Solution

The third proportional to 54,765 and 117,722.25 is: 253,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765 : 117,722.25 = 117,722.25 : x
  2. Step 2: Convert to fraction form
    54,765/117,722.25 = 117,722.25/x
  3. Step 3: Cross multiply
    54,765x = 117,722.25 × 117,722.25
  4. Step 4: Simplify right side
    54,765x = 13,858,528,145.06
  5. Step 5: Solve for x
    x = 13,858,528,145.06/54,765
  6. Step 6: Final answer
    x = 253,054.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.