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Finding the Third Proportional to 722.81 and 968.06

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Solution

The third proportional to 722.81 and 968.06 is: 1,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.81 : 968.06 = 968.06 : x
  2. Step 2: Convert to fraction form
    722.81/968.06 = 968.06/x
  3. Step 3: Cross multiply
    722.81x = 968.06 × 968.06
  4. Step 4: Simplify right side
    722.81x = 937,145.00
  5. Step 5: Solve for x
    x = 937,145.00/722.81
  6. Step 6: Final answer
    x = 1,296.53

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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.