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Finding the Third Proportional to 106,140 and 223,800

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Solution

The third proportional to 106,140 and 223,800 is: 471,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,140 : 223,800 = 223,800 : x
  2. Step 2: Convert to fraction form
    106,140/223,800 = 223,800/x
  3. Step 3: Cross multiply
    106,140x = 223,800 × 223,800
  4. Step 4: Simplify right side
    106,140x = 50,086,440,000
  5. Step 5: Solve for x
    x = 50,086,440,000/106,140
  6. Step 6: Final answer
    x = 471,890.33

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.