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Finding the Third Proportional to 13,139.75 and 17,703.75

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Solution

The third proportional to 13,139.75 and 17,703.75 is: 23,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,139.75 : 17,703.75 = 17,703.75 : x
  2. Step 2: Convert to fraction form
    13,139.75/17,703.75 = 17,703.75/x
  3. Step 3: Cross multiply
    13,139.75x = 17,703.75 × 17,703.75
  4. Step 4: Simplify right side
    13,139.75x = 313,422,764.06
  5. Step 5: Solve for x
    x = 313,422,764.06/13,139.75
  6. Step 6: Final answer
    x = 23,853.02

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.