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Finding the Third Proportional to 968.63 and 1,297.69

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Solution

The third proportional to 968.63 and 1,297.69 is: 1,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.63 : 1,297.69 = 1,297.69 : x
  2. Step 2: Convert to fraction form
    968.63/1,297.69 = 1,297.69/x
  3. Step 3: Cross multiply
    968.63x = 1,297.69 × 1,297.69
  4. Step 4: Simplify right side
    968.63x = 1,683,992.85
  5. Step 5: Solve for x
    x = 1,683,992.85/968.63
  6. Step 6: Final answer
    x = 1,738.54

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.