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Finding the Third Proportional to 19,239.75 and 29,553.19

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Solution

The third proportional to 19,239.75 and 29,553.19 is: 45,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.75 : 29,553.19 = 29,553.19 : x
  2. Step 2: Convert to fraction form
    19,239.75/29,553.19 = 29,553.19/x
  3. Step 3: Cross multiply
    19,239.75x = 29,553.19 × 29,553.19
  4. Step 4: Simplify right side
    19,239.75x = 873,390,891.41
  5. Step 5: Solve for x
    x = 873,390,891.41/19,239.75
  6. Step 6: Final answer
    x = 45,395.13

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.