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Finding the Third Proportional to 224,820.50 and 489,299.50

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Solution

The third proportional to 224,820.50 and 489,299.50 is: 1,064,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,820.50 : 489,299.50 = 489,299.50 : x
  2. Step 2: Convert to fraction form
    224,820.50/489,299.50 = 489,299.50/x
  3. Step 3: Cross multiply
    224,820.50x = 489,299.50 × 489,299.50
  4. Step 4: Simplify right side
    224,820.50x = 239,414,000,700.25
  5. Step 5: Solve for x
    x = 239,414,000,700.25/224,820.50
  6. Step 6: Final answer
    x = 1,064,911.79

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.