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Finding the Third Proportional to 3,536.63 and 7,779.19

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Solution

The third proportional to 3,536.63 and 7,779.19 is: 17,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.63 : 7,779.19 = 7,779.19 : x
  2. Step 2: Convert to fraction form
    3,536.63/7,779.19 = 7,779.19/x
  3. Step 3: Cross multiply
    3,536.63x = 7,779.19 × 7,779.19
  4. Step 4: Simplify right side
    3,536.63x = 60,515,758.16
  5. Step 5: Solve for x
    x = 60,515,758.16/3,536.63
  6. Step 6: Final answer
    x = 17,111.16

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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.