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Finding the Third Proportional to 12,573.75 and 18,862.13

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Solution

The third proportional to 12,573.75 and 18,862.13 is: 28,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.75 : 18,862.13 = 18,862.13 : x
  2. Step 2: Convert to fraction form
    12,573.75/18,862.13 = 18,862.13/x
  3. Step 3: Cross multiply
    12,573.75x = 18,862.13 × 18,862.13
  4. Step 4: Simplify right side
    12,573.75x = 355,779,759.52
  5. Step 5: Solve for x
    x = 355,779,759.52/12,573.75
  6. Step 6: Final answer
    x = 28,295.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.