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Finding the Third Proportional to 550.13 and 1,307.67

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Solution

The third proportional to 550.13 and 1,307.67 is: 3,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.13 : 1,307.67 = 1,307.67 : x
  2. Step 2: Convert to fraction form
    550.13/1,307.67 = 1,307.67/x
  3. Step 3: Cross multiply
    550.13x = 1,307.67 × 1,307.67
  4. Step 4: Simplify right side
    550.13x = 1,710,005.73
  5. Step 5: Solve for x
    x = 1,710,005.73/550.13
  6. Step 6: Final answer
    x = 3,108.39

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.