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Finding the Third Proportional to 27,187 and 59,890

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Solution

The third proportional to 27,187 and 59,890 is: 131,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187 : 59,890 = 59,890 : x
  2. Step 2: Convert to fraction form
    27,187/59,890 = 59,890/x
  3. Step 3: Cross multiply
    27,187x = 59,890 × 59,890
  4. Step 4: Simplify right side
    27,187x = 3,586,812,100
  5. Step 5: Solve for x
    x = 3,586,812,100/27,187
  6. Step 6: Final answer
    x = 131,931.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.