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Finding the Third Proportional to 11,178 and 14,827

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Solution

The third proportional to 11,178 and 14,827 is: 19,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178 : 14,827 = 14,827 : x
  2. Step 2: Convert to fraction form
    11,178/14,827 = 14,827/x
  3. Step 3: Cross multiply
    11,178x = 14,827 × 14,827
  4. Step 4: Simplify right side
    11,178x = 219,839,929
  5. Step 5: Solve for x
    x = 219,839,929/11,178
  6. Step 6: Final answer
    x = 19,667.20

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.