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Finding the Third Proportional to 28,190.25 and 61,240.50

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Solution

The third proportional to 28,190.25 and 61,240.50 is: 133,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.25 : 61,240.50 = 61,240.50 : x
  2. Step 2: Convert to fraction form
    28,190.25/61,240.50 = 61,240.50/x
  3. Step 3: Cross multiply
    28,190.25x = 61,240.50 × 61,240.50
  4. Step 4: Simplify right side
    28,190.25x = 3,750,398,840.25
  5. Step 5: Solve for x
    x = 3,750,398,840.25/28,190.25
  6. Step 6: Final answer
    x = 133,038.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.