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Finding the Third Proportional to 12,993.75 and 19,207.13

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Solution

The third proportional to 12,993.75 and 19,207.13 is: 28,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993.75 : 19,207.13 = 19,207.13 : x
  2. Step 2: Convert to fraction form
    12,993.75/19,207.13 = 19,207.13/x
  3. Step 3: Cross multiply
    12,993.75x = 19,207.13 × 19,207.13
  4. Step 4: Simplify right side
    12,993.75x = 368,913,650.77
  5. Step 5: Solve for x
    x = 368,913,650.77/12,993.75
  6. Step 6: Final answer
    x = 28,391.62

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.