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Finding the Third Proportional to 27,581.50 and 58,403

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Solution

The third proportional to 27,581.50 and 58,403 is: 123,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.50 : 58,403 = 58,403 : x
  2. Step 2: Convert to fraction form
    27,581.50/58,403 = 58,403/x
  3. Step 3: Cross multiply
    27,581.50x = 58,403 × 58,403
  4. Step 4: Simplify right side
    27,581.50x = 3,410,910,409
  5. Step 5: Solve for x
    x = 3,410,910,409/27,581.50
  6. Step 6: Final answer
    x = 123,666.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.