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Finding the Third Proportional to 11,178 and 14,892.19

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Solution

The third proportional to 11,178 and 14,892.19 is: 19,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178 : 14,892.19 = 14,892.19 : x
  2. Step 2: Convert to fraction form
    11,178/14,892.19 = 14,892.19/x
  3. Step 3: Cross multiply
    11,178x = 14,892.19 × 14,892.19
  4. Step 4: Simplify right side
    11,178x = 221,777,248.54
  5. Step 5: Solve for x
    x = 221,777,248.54/11,178
  6. Step 6: Final answer
    x = 19,840.51

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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.