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Finding the Third Proportional to 7,896 and 18,232.50

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Solution

The third proportional to 7,896 and 18,232.50 is: 42,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896 : 18,232.50 = 18,232.50 : x
  2. Step 2: Convert to fraction form
    7,896/18,232.50 = 18,232.50/x
  3. Step 3: Cross multiply
    7,896x = 18,232.50 × 18,232.50
  4. Step 4: Simplify right side
    7,896x = 332,424,056.25
  5. Step 5: Solve for x
    x = 332,424,056.25/7,896
  6. Step 6: Final answer
    x = 42,100.31

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.