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Finding the Third Proportional to 950.63 and 1,438.88

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Solution

The third proportional to 950.63 and 1,438.88 is: 2,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.63 : 1,438.88 = 1,438.88 : x
  2. Step 2: Convert to fraction form
    950.63/1,438.88 = 1,438.88/x
  3. Step 3: Cross multiply
    950.63x = 1,438.88 × 1,438.88
  4. Step 4: Simplify right side
    950.63x = 2,070,361.27
  5. Step 5: Solve for x
    x = 2,070,361.27/950.63
  6. Step 6: Final answer
    x = 2,177.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.