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Finding the Third Proportional to 85,414.50 and 176,539.50

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Solution

The third proportional to 85,414.50 and 176,539.50 is: 364,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,414.50 : 176,539.50 = 176,539.50 : x
  2. Step 2: Convert to fraction form
    85,414.50/176,539.50 = 176,539.50/x
  3. Step 3: Cross multiply
    85,414.50x = 176,539.50 × 176,539.50
  4. Step 4: Simplify right side
    85,414.50x = 31,166,195,060.25
  5. Step 5: Solve for x
    x = 31,166,195,060.25/85,414.50
  6. Step 6: Final answer
    x = 364,881.78

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.