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Finding the Third Proportional to 8,347.50 and 17,505

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Solution

The third proportional to 8,347.50 and 17,505 is: 36,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.50 : 17,505 = 17,505 : x
  2. Step 2: Convert to fraction form
    8,347.50/17,505 = 17,505/x
  3. Step 3: Cross multiply
    8,347.50x = 17,505 × 17,505
  4. Step 4: Simplify right side
    8,347.50x = 306,425,025
  5. Step 5: Solve for x
    x = 306,425,025/8,347.50
  6. Step 6: Final answer
    x = 36,708.60

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.