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Finding the Third Proportional to 21,611.81 and 47,324.25

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Solution

The third proportional to 21,611.81 and 47,324.25 is: 103,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.81 : 47,324.25 = 47,324.25 : x
  2. Step 2: Convert to fraction form
    21,611.81/47,324.25 = 47,324.25/x
  3. Step 3: Cross multiply
    21,611.81x = 47,324.25 × 47,324.25
  4. Step 4: Simplify right side
    21,611.81x = 2,239,584,638.06
  5. Step 5: Solve for x
    x = 2,239,584,638.06/21,611.81
  6. Step 6: Final answer
    x = 103,627.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.