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Finding the Third Proportional to 49,702.50 and 106,820.50

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Solution

The third proportional to 49,702.50 and 106,820.50 is: 229,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,702.50 : 106,820.50 = 106,820.50 : x
  2. Step 2: Convert to fraction form
    49,702.50/106,820.50 = 106,820.50/x
  3. Step 3: Cross multiply
    49,702.50x = 106,820.50 × 106,820.50
  4. Step 4: Simplify right side
    49,702.50x = 11,410,619,220.25
  5. Step 5: Solve for x
    x = 11,410,619,220.25/49,702.50
  6. Step 6: Final answer
    x = 229,578.38

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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.