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Finding the Third Proportional to 45,019 and 98,137

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Solution

The third proportional to 45,019 and 98,137 is: 213,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019 : 98,137 = 98,137 : x
  2. Step 2: Convert to fraction form
    45,019/98,137 = 98,137/x
  3. Step 3: Cross multiply
    45,019x = 98,137 × 98,137
  4. Step 4: Simplify right side
    45,019x = 9,630,870,769
  5. Step 5: Solve for x
    x = 9,630,870,769/45,019
  6. Step 6: Final answer
    x = 213,929.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.