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Finding the Third Proportional to 538.88 and 835.13

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Solution

The third proportional to 538.88 and 835.13 is: 1,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.88 : 835.13 = 835.13 : x
  2. Step 2: Convert to fraction form
    538.88/835.13 = 835.13/x
  3. Step 3: Cross multiply
    538.88x = 835.13 × 835.13
  4. Step 4: Simplify right side
    538.88x = 697,433.77
  5. Step 5: Solve for x
    x = 697,433.77/538.88
  6. Step 6: Final answer
    x = 1,294.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.