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Finding the Third Proportional to 37,621 and 84,154

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Solution

The third proportional to 37,621 and 84,154 is: 188,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621 : 84,154 = 84,154 : x
  2. Step 2: Convert to fraction form
    37,621/84,154 = 84,154/x
  3. Step 3: Cross multiply
    37,621x = 84,154 × 84,154
  4. Step 4: Simplify right side
    37,621x = 7,081,895,716
  5. Step 5: Solve for x
    x = 7,081,895,716/37,621
  6. Step 6: Final answer
    x = 188,243.15

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.