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Finding the Third Proportional to 247,360.50 and 379,038

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Solution

The third proportional to 247,360.50 and 379,038 is: 580,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,360.50 : 379,038 = 379,038 : x
  2. Step 2: Convert to fraction form
    247,360.50/379,038 = 379,038/x
  3. Step 3: Cross multiply
    247,360.50x = 379,038 × 379,038
  4. Step 4: Simplify right side
    247,360.50x = 143,669,805,444
  5. Step 5: Solve for x
    x = 143,669,805,444/247,360.50
  6. Step 6: Final answer
    x = 580,811.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.