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Finding the Third Proportional to 4,135.50 and 8,604

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Solution

The third proportional to 4,135.50 and 8,604 is: 17,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.50 : 8,604 = 8,604 : x
  2. Step 2: Convert to fraction form
    4,135.50/8,604 = 8,604/x
  3. Step 3: Cross multiply
    4,135.50x = 8,604 × 8,604
  4. Step 4: Simplify right side
    4,135.50x = 74,028,816
  5. Step 5: Solve for x
    x = 74,028,816/4,135.50
  6. Step 6: Final answer
    x = 17,900.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.