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Finding the Third Proportional to 39,285 and 84,793.50

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Solution

The third proportional to 39,285 and 84,793.50 is: 183,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285 : 84,793.50 = 84,793.50 : x
  2. Step 2: Convert to fraction form
    39,285/84,793.50 = 84,793.50/x
  3. Step 3: Cross multiply
    39,285x = 84,793.50 × 84,793.50
  4. Step 4: Simplify right side
    39,285x = 7,189,937,642.25
  5. Step 5: Solve for x
    x = 7,189,937,642.25/39,285
  6. Step 6: Final answer
    x = 183,019.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.