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Finding the Third Proportional to 607.22 and 711.56

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Solution

The third proportional to 607.22 and 711.56 is: 833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.22 : 711.56 = 711.56 : x
  2. Step 2: Convert to fraction form
    607.22/711.56 = 711.56/x
  3. Step 3: Cross multiply
    607.22x = 711.56 × 711.56
  4. Step 4: Simplify right side
    607.22x = 506,321.19
  5. Step 5: Solve for x
    x = 506,321.19/607.22
  6. Step 6: Final answer
    x = 833.84

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.