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Finding the Third Proportional to 27,779.50 and 57,863

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Solution

The third proportional to 27,779.50 and 57,863 is: 120,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.50 : 57,863 = 57,863 : x
  2. Step 2: Convert to fraction form
    27,779.50/57,863 = 57,863/x
  3. Step 3: Cross multiply
    27,779.50x = 57,863 × 57,863
  4. Step 4: Simplify right side
    27,779.50x = 3,348,126,769
  5. Step 5: Solve for x
    x = 3,348,126,769/27,779.50
  6. Step 6: Final answer
    x = 120,525.09

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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.