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Finding the Third Proportional to 6,387 and 14,190

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Solution

The third proportional to 6,387 and 14,190 is: 31,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387 : 14,190 = 14,190 : x
  2. Step 2: Convert to fraction form
    6,387/14,190 = 14,190/x
  3. Step 3: Cross multiply
    6,387x = 14,190 × 14,190
  4. Step 4: Simplify right side
    6,387x = 201,356,100
  5. Step 5: Solve for x
    x = 201,356,100/6,387
  6. Step 6: Final answer
    x = 31,525.93

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.