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Finding the Third Proportional to 11,611.13 and 18,483.75

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Solution

The third proportional to 11,611.13 and 18,483.75 is: 29,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.13 : 18,483.75 = 18,483.75 : x
  2. Step 2: Convert to fraction form
    11,611.13/18,483.75 = 18,483.75/x
  3. Step 3: Cross multiply
    11,611.13x = 18,483.75 × 18,483.75
  4. Step 4: Simplify right side
    11,611.13x = 341,649,014.06
  5. Step 5: Solve for x
    x = 341,649,014.06/11,611.13
  6. Step 6: Final answer
    x = 29,424.28

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.