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Finding the Third Proportional to 18,412.31 and 27,587.25

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Solution

The third proportional to 18,412.31 and 27,587.25 is: 41,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.31 : 27,587.25 = 27,587.25 : x
  2. Step 2: Convert to fraction form
    18,412.31/27,587.25 = 27,587.25/x
  3. Step 3: Cross multiply
    18,412.31x = 27,587.25 × 27,587.25
  4. Step 4: Simplify right side
    18,412.31x = 761,056,362.56
  5. Step 5: Solve for x
    x = 761,056,362.56/18,412.31
  6. Step 6: Final answer
    x = 41,334.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.