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Finding the Third Proportional to 223,825.50 and 347,085

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Solution

The third proportional to 223,825.50 and 347,085 is: 538,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,825.50 : 347,085 = 347,085 : x
  2. Step 2: Convert to fraction form
    223,825.50/347,085 = 347,085/x
  3. Step 3: Cross multiply
    223,825.50x = 347,085 × 347,085
  4. Step 4: Simplify right side
    223,825.50x = 120,467,997,225
  5. Step 5: Solve for x
    x = 120,467,997,225/223,825.50
  6. Step 6: Final answer
    x = 538,222.84

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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.