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Finding the Third Proportional to 203,558.06 and 299,254.50

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Solution

The third proportional to 203,558.06 and 299,254.50 is: 439,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,558.06 : 299,254.50 = 299,254.50 : x
  2. Step 2: Convert to fraction form
    203,558.06/299,254.50 = 299,254.50/x
  3. Step 3: Cross multiply
    203,558.06x = 299,254.50 × 299,254.50
  4. Step 4: Simplify right side
    203,558.06x = 89,553,255,770.25
  5. Step 5: Solve for x
    x = 89,553,255,770.25/203,558.06
  6. Step 6: Final answer
    x = 439,939.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.