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Finding the Third Proportional to 27,391.50 and 56,889

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Solution

The third proportional to 27,391.50 and 56,889 is: 118,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.50 : 56,889 = 56,889 : x
  2. Step 2: Convert to fraction form
    27,391.50/56,889 = 56,889/x
  3. Step 3: Cross multiply
    27,391.50x = 56,889 × 56,889
  4. Step 4: Simplify right side
    27,391.50x = 3,236,358,321
  5. Step 5: Solve for x
    x = 3,236,358,321/27,391.50
  6. Step 6: Final answer
    x = 118,151.92

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.