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Finding the Third Proportional to 84,628 and 183,845

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Solution

The third proportional to 84,628 and 183,845 is: 399,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,628 : 183,845 = 183,845 : x
  2. Step 2: Convert to fraction form
    84,628/183,845 = 183,845/x
  3. Step 3: Cross multiply
    84,628x = 183,845 × 183,845
  4. Step 4: Simplify right side
    84,628x = 33,798,984,025
  5. Step 5: Solve for x
    x = 33,798,984,025/84,628
  6. Step 6: Final answer
    x = 399,382.99

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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.