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Finding the Third Proportional to 655.59 and 1,333.13

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Solution

The third proportional to 655.59 and 1,333.13 is: 2,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.59 : 1,333.13 = 1,333.13 : x
  2. Step 2: Convert to fraction form
    655.59/1,333.13 = 1,333.13/x
  3. Step 3: Cross multiply
    655.59x = 1,333.13 × 1,333.13
  4. Step 4: Simplify right side
    655.59x = 1,777,222.27
  5. Step 5: Solve for x
    x = 1,777,222.27/655.59
  6. Step 6: Final answer
    x = 2,710.86

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.