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Finding the Third Proportional to 12,887.25 and 19,371.75

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Solution

The third proportional to 12,887.25 and 19,371.75 is: 29,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.25 : 19,371.75 = 19,371.75 : x
  2. Step 2: Convert to fraction form
    12,887.25/19,371.75 = 19,371.75/x
  3. Step 3: Cross multiply
    12,887.25x = 19,371.75 × 19,371.75
  4. Step 4: Simplify right side
    12,887.25x = 375,264,698.06
  5. Step 5: Solve for x
    x = 375,264,698.06/12,887.25
  6. Step 6: Final answer
    x = 29,119.07

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