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Finding the Third Proportional to 10,143 and 13,954.50

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Solution

The third proportional to 10,143 and 13,954.50 is: 19,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143 : 13,954.50 = 13,954.50 : x
  2. Step 2: Convert to fraction form
    10,143/13,954.50 = 13,954.50/x
  3. Step 3: Cross multiply
    10,143x = 13,954.50 × 13,954.50
  4. Step 4: Simplify right side
    10,143x = 194,728,070.25
  5. Step 5: Solve for x
    x = 194,728,070.25/10,143
  6. Step 6: Final answer
    x = 19,198.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.