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Finding the Third Proportional to 117,726.75 and 168,131.25

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Solution

The third proportional to 117,726.75 and 168,131.25 is: 240,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,726.75 : 168,131.25 = 168,131.25 : x
  2. Step 2: Convert to fraction form
    117,726.75/168,131.25 = 168,131.25/x
  3. Step 3: Cross multiply
    117,726.75x = 168,131.25 × 168,131.25
  4. Step 4: Simplify right side
    117,726.75x = 28,268,117,226.56
  5. Step 5: Solve for x
    x = 28,268,117,226.56/117,726.75
  6. Step 6: Final answer
    x = 240,116.35

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.