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Finding the Third Proportional to 85,606.13 and 133,071.75

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Solution

The third proportional to 85,606.13 and 133,071.75 is: 206,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,606.13 : 133,071.75 = 133,071.75 : x
  2. Step 2: Convert to fraction form
    85,606.13/133,071.75 = 133,071.75/x
  3. Step 3: Cross multiply
    85,606.13x = 133,071.75 × 133,071.75
  4. Step 4: Simplify right side
    85,606.13x = 17,708,090,648.06
  5. Step 5: Solve for x
    x = 17,708,090,648.06/85,606.13
  6. Step 6: Final answer
    x = 206,855.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.