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Finding the Third Proportional to 3,712.50 and 8,937

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Solution

The third proportional to 3,712.50 and 8,937 is: 21,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.50 : 8,937 = 8,937 : x
  2. Step 2: Convert to fraction form
    3,712.50/8,937 = 8,937/x
  3. Step 3: Cross multiply
    3,712.50x = 8,937 × 8,937
  4. Step 4: Simplify right side
    3,712.50x = 79,869,969
  5. Step 5: Solve for x
    x = 79,869,969/3,712.50
  6. Step 6: Final answer
    x = 21,513.80

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.