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Finding the Third Proportional to 45,751 and 99,138.50

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Solution

The third proportional to 45,751 and 99,138.50 is: 214,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,751 : 99,138.50 = 99,138.50 : x
  2. Step 2: Convert to fraction form
    45,751/99,138.50 = 99,138.50/x
  3. Step 3: Cross multiply
    45,751x = 99,138.50 × 99,138.50
  4. Step 4: Simplify right side
    45,751x = 9,828,442,182.25
  5. Step 5: Solve for x
    x = 9,828,442,182.25/45,751
  6. Step 6: Final answer
    x = 214,824.64

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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.