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Finding the Third Proportional to 82,243.75 and 176,961.50

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Solution

The third proportional to 82,243.75 and 176,961.50 is: 380,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,243.75 : 176,961.50 = 176,961.50 : x
  2. Step 2: Convert to fraction form
    82,243.75/176,961.50 = 176,961.50/x
  3. Step 3: Cross multiply
    82,243.75x = 176,961.50 × 176,961.50
  4. Step 4: Simplify right side
    82,243.75x = 31,315,372,482.25
  5. Step 5: Solve for x
    x = 31,315,372,482.25/82,243.75
  6. Step 6: Final answer
    x = 380,762.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.