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Finding the Third Proportional to 8,275.50 and 16,135.88

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Solution

The third proportional to 8,275.50 and 16,135.88 is: 31,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.50 : 16,135.88 = 16,135.88 : x
  2. Step 2: Convert to fraction form
    8,275.50/16,135.88 = 16,135.88/x
  3. Step 3: Cross multiply
    8,275.50x = 16,135.88 × 16,135.88
  4. Step 4: Simplify right side
    8,275.50x = 260,366,462.02
  5. Step 5: Solve for x
    x = 260,366,462.02/8,275.50
  6. Step 6: Final answer
    x = 31,462.32

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.