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Finding the Third Proportional to 18,015.75 and 26,848.13

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Solution

The third proportional to 18,015.75 and 26,848.13 is: 40,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.75 : 26,848.13 = 26,848.13 : x
  2. Step 2: Convert to fraction form
    18,015.75/26,848.13 = 26,848.13/x
  3. Step 3: Cross multiply
    18,015.75x = 26,848.13 × 26,848.13
  4. Step 4: Simplify right side
    18,015.75x = 720,821,816.02
  5. Step 5: Solve for x
    x = 720,821,816.02/18,015.75
  6. Step 6: Final answer
    x = 40,010.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.