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Finding the Third Proportional to 106,109.50 and 228,020.50

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Solution

The third proportional to 106,109.50 and 228,020.50 is: 489,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,109.50 : 228,020.50 = 228,020.50 : x
  2. Step 2: Convert to fraction form
    106,109.50/228,020.50 = 228,020.50/x
  3. Step 3: Cross multiply
    106,109.50x = 228,020.50 × 228,020.50
  4. Step 4: Simplify right side
    106,109.50x = 51,993,348,420.25
  5. Step 5: Solve for x
    x = 51,993,348,420.25/106,109.50
  6. Step 6: Final answer
    x = 489,997.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.