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Finding the Third Proportional to 369,481.50 and 561,161.67

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Solution

The third proportional to 369,481.50 and 561,161.67 is: 852,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,481.50 : 561,161.67 = 561,161.67 : x
  2. Step 2: Convert to fraction form
    369,481.50/561,161.67 = 561,161.67/x
  3. Step 3: Cross multiply
    369,481.50x = 561,161.67 × 561,161.67
  4. Step 4: Simplify right side
    369,481.50x = 314,902,421,981.55
  5. Step 5: Solve for x
    x = 314,902,421,981.55/369,481.50
  6. Step 6: Final answer
    x = 852,281.97

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.