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Finding the Third Proportional to 8,485.50 and 17,553

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Solution

The third proportional to 8,485.50 and 17,553 is: 36,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.50 : 17,553 = 17,553 : x
  2. Step 2: Convert to fraction form
    8,485.50/17,553 = 17,553/x
  3. Step 3: Cross multiply
    8,485.50x = 17,553 × 17,553
  4. Step 4: Simplify right side
    8,485.50x = 308,107,809
  5. Step 5: Solve for x
    x = 308,107,809/8,485.50
  6. Step 6: Final answer
    x = 36,309.92

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.