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Finding the Third Proportional to 13,313 and 28,975

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Solution

The third proportional to 13,313 and 28,975 is: 63,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313 : 28,975 = 28,975 : x
  2. Step 2: Convert to fraction form
    13,313/28,975 = 28,975/x
  3. Step 3: Cross multiply
    13,313x = 28,975 × 28,975
  4. Step 4: Simplify right side
    13,313x = 839,550,625
  5. Step 5: Solve for x
    x = 839,550,625/13,313
  6. Step 6: Final answer
    x = 63,062.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.