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Finding the Third Proportional to 13,918.50 and 17,637.75

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Solution

The third proportional to 13,918.50 and 17,637.75 is: 22,350.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.50 : 17,637.75 = 17,637.75 : x
  2. Step 2: Convert to fraction form
    13,918.50/17,637.75 = 17,637.75/x
  3. Step 3: Cross multiply
    13,918.50x = 17,637.75 × 17,637.75
  4. Step 4: Simplify right side
    13,918.50x = 311,090,225.06
  5. Step 5: Solve for x
    x = 311,090,225.06/13,918.50
  6. Step 6: Final answer
    x = 22,350.84

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.