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Finding the Third Proportional to 85,088 and 186,288

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Solution

The third proportional to 85,088 and 186,288 is: 407,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,088 : 186,288 = 186,288 : x
  2. Step 2: Convert to fraction form
    85,088/186,288 = 186,288/x
  3. Step 3: Cross multiply
    85,088x = 186,288 × 186,288
  4. Step 4: Simplify right side
    85,088x = 34,703,218,944
  5. Step 5: Solve for x
    x = 34,703,218,944/85,088
  6. Step 6: Final answer
    x = 407,850.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.