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Finding the Third Proportional to 228,211.50 and 486,954.50

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Solution

The third proportional to 228,211.50 and 486,954.50 is: 1,039,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,211.50 : 486,954.50 = 486,954.50 : x
  2. Step 2: Convert to fraction form
    228,211.50/486,954.50 = 486,954.50/x
  3. Step 3: Cross multiply
    228,211.50x = 486,954.50 × 486,954.50
  4. Step 4: Simplify right side
    228,211.50x = 237,124,685,070.25
  5. Step 5: Solve for x
    x = 237,124,685,070.25/228,211.50
  6. Step 6: Final answer
    x = 1,039,056.69

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.