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Finding the Third Proportional to 85,384.50 and 183,685

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Solution

The third proportional to 85,384.50 and 183,685 is: 395,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,384.50 : 183,685 = 183,685 : x
  2. Step 2: Convert to fraction form
    85,384.50/183,685 = 183,685/x
  3. Step 3: Cross multiply
    85,384.50x = 183,685 × 183,685
  4. Step 4: Simplify right side
    85,384.50x = 33,740,179,225
  5. Step 5: Solve for x
    x = 33,740,179,225/85,384.50
  6. Step 6: Final answer
    x = 395,155.79

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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.