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Finding the Third Proportional to 3,632.50 and 6,407

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Solution

The third proportional to 3,632.50 and 6,407 is: 11,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.50 : 6,407 = 6,407 : x
  2. Step 2: Convert to fraction form
    3,632.50/6,407 = 6,407/x
  3. Step 3: Cross multiply
    3,632.50x = 6,407 × 6,407
  4. Step 4: Simplify right side
    3,632.50x = 41,049,649
  5. Step 5: Solve for x
    x = 41,049,649/3,632.50
  6. Step 6: Final answer
    x = 11,300.66

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.