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Finding the Third Proportional to 951 and 1,393.75

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Solution

The third proportional to 951 and 1,393.75 is: 2,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    951 : 1,393.75 = 1,393.75 : x
  2. Step 2: Convert to fraction form
    951/1,393.75 = 1,393.75/x
  3. Step 3: Cross multiply
    951x = 1,393.75 × 1,393.75
  4. Step 4: Simplify right side
    951x = 1,942,539.06
  5. Step 5: Solve for x
    x = 1,942,539.06/951
  6. Step 6: Final answer
    x = 2,042.63

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.