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Finding the Third Proportional to 83,340 and 183,816

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Solution

The third proportional to 83,340 and 183,816 is: 405,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,340 : 183,816 = 183,816 : x
  2. Step 2: Convert to fraction form
    83,340/183,816 = 183,816/x
  3. Step 3: Cross multiply
    83,340x = 183,816 × 183,816
  4. Step 4: Simplify right side
    83,340x = 33,788,321,856
  5. Step 5: Solve for x
    x = 33,788,321,856/83,340
  6. Step 6: Final answer
    x = 405,427.43

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.