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Finding the Third Proportional to 85,866.75 and 187,005.75

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Solution

The third proportional to 85,866.75 and 187,005.75 is: 407,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,866.75 : 187,005.75 = 187,005.75 : x
  2. Step 2: Convert to fraction form
    85,866.75/187,005.75 = 187,005.75/x
  3. Step 3: Cross multiply
    85,866.75x = 187,005.75 × 187,005.75
  4. Step 4: Simplify right side
    85,866.75x = 34,971,150,533.06
  5. Step 5: Solve for x
    x = 34,971,150,533.06/85,866.75
  6. Step 6: Final answer
    x = 407,272.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.