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Finding the Third Proportional to 262,606.50 and 393,810.75

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Solution

The third proportional to 262,606.50 and 393,810.75 is: 590,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,606.50 : 393,810.75 = 393,810.75 : x
  2. Step 2: Convert to fraction form
    262,606.50/393,810.75 = 393,810.75/x
  3. Step 3: Cross multiply
    262,606.50x = 393,810.75 × 393,810.75
  4. Step 4: Simplify right side
    262,606.50x = 155,086,906,815.56
  5. Step 5: Solve for x
    x = 155,086,906,815.56/262,606.50
  6. Step 6: Final answer
    x = 590,567.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.