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Finding the Third Proportional to 268,213.50 and 575,368.50

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Solution

The third proportional to 268,213.50 and 575,368.50 is: 1,234,273.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,213.50 : 575,368.50 = 575,368.50 : x
  2. Step 2: Convert to fraction form
    268,213.50/575,368.50 = 575,368.50/x
  3. Step 3: Cross multiply
    268,213.50x = 575,368.50 × 575,368.50
  4. Step 4: Simplify right side
    268,213.50x = 331,048,910,792.25
  5. Step 5: Solve for x
    x = 331,048,910,792.25/268,213.50
  6. Step 6: Final answer
    x = 1,234,273.86

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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.