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Finding the Third Proportional to 209,597.50 and 296,292.50

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Solution

The third proportional to 209,597.50 and 296,292.50 is: 418,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,597.50 : 296,292.50 = 296,292.50 : x
  2. Step 2: Convert to fraction form
    209,597.50/296,292.50 = 296,292.50/x
  3. Step 3: Cross multiply
    209,597.50x = 296,292.50 × 296,292.50
  4. Step 4: Simplify right side
    209,597.50x = 87,789,245,556.25
  5. Step 5: Solve for x
    x = 87,789,245,556.25/209,597.50
  6. Step 6: Final answer
    x = 418,846.82

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.