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Finding the Third Proportional to 84,979.50 and 186,733.50

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Solution

The third proportional to 84,979.50 and 186,733.50 is: 410,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,979.50 : 186,733.50 = 186,733.50 : x
  2. Step 2: Convert to fraction form
    84,979.50/186,733.50 = 186,733.50/x
  3. Step 3: Cross multiply
    84,979.50x = 186,733.50 × 186,733.50
  4. Step 4: Simplify right side
    84,979.50x = 34,869,400,022.25
  5. Step 5: Solve for x
    x = 34,869,400,022.25/84,979.50
  6. Step 6: Final answer
    x = 410,327.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.