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Finding the Third Proportional to 13,892.06 and 21,543.19

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Solution

The third proportional to 13,892.06 and 21,543.19 is: 33,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.06 : 21,543.19 = 21,543.19 : x
  2. Step 2: Convert to fraction form
    13,892.06/21,543.19 = 21,543.19/x
  3. Step 3: Cross multiply
    13,892.06x = 21,543.19 × 21,543.19
  4. Step 4: Simplify right side
    13,892.06x = 464,108,927.66
  5. Step 5: Solve for x
    x = 464,108,927.66/13,892.06
  6. Step 6: Final answer
    x = 33,408.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.