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Finding the Third Proportional to 207,697.50 and 322,562.25

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Solution

The third proportional to 207,697.50 and 322,562.25 is: 500,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,697.50 : 322,562.25 = 322,562.25 : x
  2. Step 2: Convert to fraction form
    207,697.50/322,562.25 = 322,562.25/x
  3. Step 3: Cross multiply
    207,697.50x = 322,562.25 × 322,562.25
  4. Step 4: Simplify right side
    207,697.50x = 104,046,405,125.06
  5. Step 5: Solve for x
    x = 104,046,405,125.06/207,697.50
  6. Step 6: Final answer
    x = 500,951.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.