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Finding the Third Proportional to 7,835.50 and 16,319

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Solution

The third proportional to 7,835.50 and 16,319 is: 33,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.50 : 16,319 = 16,319 : x
  2. Step 2: Convert to fraction form
    7,835.50/16,319 = 16,319/x
  3. Step 3: Cross multiply
    7,835.50x = 16,319 × 16,319
  4. Step 4: Simplify right side
    7,835.50x = 266,309,761
  5. Step 5: Solve for x
    x = 266,309,761/7,835.50
  6. Step 6: Final answer
    x = 33,987.59

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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.