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Finding the Third Proportional to 229,861.50 and 356,820.50

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Solution

The third proportional to 229,861.50 and 356,820.50 is: 553,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,861.50 : 356,820.50 = 356,820.50 : x
  2. Step 2: Convert to fraction form
    229,861.50/356,820.50 = 356,820.50/x
  3. Step 3: Cross multiply
    229,861.50x = 356,820.50 × 356,820.50
  4. Step 4: Simplify right side
    229,861.50x = 127,320,869,220.25
  5. Step 5: Solve for x
    x = 127,320,869,220.25/229,861.50
  6. Step 6: Final answer
    x = 553,902.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.