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Finding the Third Proportional to 104,128.50 and 228,129

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Solution

The third proportional to 104,128.50 and 228,129 is: 499,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128.50 : 228,129 = 228,129 : x
  2. Step 2: Convert to fraction form
    104,128.50/228,129 = 228,129/x
  3. Step 3: Cross multiply
    104,128.50x = 228,129 × 228,129
  4. Step 4: Simplify right side
    104,128.50x = 52,042,840,641
  5. Step 5: Solve for x
    x = 52,042,840,641/104,128.50
  6. Step 6: Final answer
    x = 499,794.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.