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Finding the Third Proportional to 957.75 and 1,392.38

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Solution

The third proportional to 957.75 and 1,392.38 is: 2,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.75 : 1,392.38 = 1,392.38 : x
  2. Step 2: Convert to fraction form
    957.75/1,392.38 = 1,392.38/x
  3. Step 3: Cross multiply
    957.75x = 1,392.38 × 1,392.38
  4. Step 4: Simplify right side
    957.75x = 1,938,708.14
  5. Step 5: Solve for x
    x = 1,938,708.14/957.75
  6. Step 6: Final answer
    x = 2,024.23

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.