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Finding the Third Proportional to 13,416.75 and 28,887.75

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Solution

The third proportional to 13,416.75 and 28,887.75 is: 62,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.75 : 28,887.75 = 28,887.75 : x
  2. Step 2: Convert to fraction form
    13,416.75/28,887.75 = 28,887.75/x
  3. Step 3: Cross multiply
    13,416.75x = 28,887.75 × 28,887.75
  4. Step 4: Simplify right side
    13,416.75x = 834,502,100.06
  5. Step 5: Solve for x
    x = 834,502,100.06/13,416.75
  6. Step 6: Final answer
    x = 62,198.53

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.