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Finding the Third Proportional to 28,255.50 and 62,343

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Solution

The third proportional to 28,255.50 and 62,343 is: 137,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255.50 : 62,343 = 62,343 : x
  2. Step 2: Convert to fraction form
    28,255.50/62,343 = 62,343/x
  3. Step 3: Cross multiply
    28,255.50x = 62,343 × 62,343
  4. Step 4: Simplify right side
    28,255.50x = 3,886,649,649
  5. Step 5: Solve for x
    x = 3,886,649,649/28,255.50
  6. Step 6: Final answer
    x = 137,553.74

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.