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Finding the Third Proportional to 3,177 and 8,590.50

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Solution

The third proportional to 3,177 and 8,590.50 is: 23,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177 : 8,590.50 = 8,590.50 : x
  2. Step 2: Convert to fraction form
    3,177/8,590.50 = 8,590.50/x
  3. Step 3: Cross multiply
    3,177x = 8,590.50 × 8,590.50
  4. Step 4: Simplify right side
    3,177x = 73,796,690.25
  5. Step 5: Solve for x
    x = 73,796,690.25/3,177
  6. Step 6: Final answer
    x = 23,228.42

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.