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Finding the Third Proportional to 117,549.75 and 153,131.25

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Solution

The third proportional to 117,549.75 and 153,131.25 is: 199,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,549.75 : 153,131.25 = 153,131.25 : x
  2. Step 2: Convert to fraction form
    117,549.75/153,131.25 = 153,131.25/x
  3. Step 3: Cross multiply
    117,549.75x = 153,131.25 × 153,131.25
  4. Step 4: Simplify right side
    117,549.75x = 23,449,179,726.56
  5. Step 5: Solve for x
    x = 23,449,179,726.56/117,549.75
  6. Step 6: Final answer
    x = 199,483.03

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.