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Finding the Third Proportional to 7,651.75 and 15,714.50

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Solution

The third proportional to 7,651.75 and 15,714.50 is: 32,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.75 : 15,714.50 = 15,714.50 : x
  2. Step 2: Convert to fraction form
    7,651.75/15,714.50 = 15,714.50/x
  3. Step 3: Cross multiply
    7,651.75x = 15,714.50 × 15,714.50
  4. Step 4: Simplify right side
    7,651.75x = 246,945,510.25
  5. Step 5: Solve for x
    x = 246,945,510.25/7,651.75
  6. Step 6: Final answer
    x = 32,273.08

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.