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Finding the Third Proportional to 7,953.75 and 17,136.84

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Solution

The third proportional to 7,953.75 and 17,136.84 is: 36,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.75 : 17,136.84 = 17,136.84 : x
  2. Step 2: Convert to fraction form
    7,953.75/17,136.84 = 17,136.84/x
  3. Step 3: Cross multiply
    7,953.75x = 17,136.84 × 17,136.84
  4. Step 4: Simplify right side
    7,953.75x = 293,671,413.71
  5. Step 5: Solve for x
    x = 293,671,413.71/7,953.75
  6. Step 6: Final answer
    x = 36,922.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.