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Finding the Third Proportional to 8,853.75 and 13,565.25

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Solution

The third proportional to 8,853.75 and 13,565.25 is: 20,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.75 : 13,565.25 = 13,565.25 : x
  2. Step 2: Convert to fraction form
    8,853.75/13,565.25 = 13,565.25/x
  3. Step 3: Cross multiply
    8,853.75x = 13,565.25 × 13,565.25
  4. Step 4: Simplify right side
    8,853.75x = 184,016,007.56
  5. Step 5: Solve for x
    x = 184,016,007.56/8,853.75
  6. Step 6: Final answer
    x = 20,783.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.