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Finding the Third Proportional to 20,137.50 and 45,497.50

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Solution

The third proportional to 20,137.50 and 45,497.50 is: 102,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137.50 : 45,497.50 = 45,497.50 : x
  2. Step 2: Convert to fraction form
    20,137.50/45,497.50 = 45,497.50/x
  3. Step 3: Cross multiply
    20,137.50x = 45,497.50 × 45,497.50
  4. Step 4: Simplify right side
    20,137.50x = 2,070,022,506.25
  5. Step 5: Solve for x
    x = 2,070,022,506.25/20,137.50
  6. Step 6: Final answer
    x = 102,794.41

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.