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Finding the Third Proportional to 405 and 950.63

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Solution

The third proportional to 405 and 950.63 is: 2,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    405 : 950.63 = 950.63 : x
  2. Step 2: Convert to fraction form
    405/950.63 = 950.63/x
  3. Step 3: Cross multiply
    405x = 950.63 × 950.63
  4. Step 4: Simplify right side
    405x = 903,687.89
  5. Step 5: Solve for x
    x = 903,687.89/405
  6. Step 6: Final answer
    x = 2,231.33

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.