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Finding the Third Proportional to 19,172.44 and 29,427.75

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Solution

The third proportional to 19,172.44 and 29,427.75 is: 45,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.44 : 29,427.75 = 29,427.75 : x
  2. Step 2: Convert to fraction form
    19,172.44/29,427.75 = 29,427.75/x
  3. Step 3: Cross multiply
    19,172.44x = 29,427.75 × 29,427.75
  4. Step 4: Simplify right side
    19,172.44x = 865,992,470.06
  5. Step 5: Solve for x
    x = 865,992,470.06/19,172.44
  6. Step 6: Final answer
    x = 45,168.62

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.