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Finding the Third Proportional to 105,090.75 and 158,726.25

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Solution

The third proportional to 105,090.75 and 158,726.25 is: 239,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,090.75 : 158,726.25 = 158,726.25 : x
  2. Step 2: Convert to fraction form
    105,090.75/158,726.25 = 158,726.25/x
  3. Step 3: Cross multiply
    105,090.75x = 158,726.25 × 158,726.25
  4. Step 4: Simplify right side
    105,090.75x = 25,194,022,439.06
  5. Step 5: Solve for x
    x = 25,194,022,439.06/105,090.75
  6. Step 6: Final answer
    x = 239,735.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.