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Finding the Third Proportional to 7,745.63 and 15,516.88

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Solution

The third proportional to 7,745.63 and 15,516.88 is: 31,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.63 : 15,516.88 = 15,516.88 : x
  2. Step 2: Convert to fraction form
    7,745.63/15,516.88 = 15,516.88/x
  3. Step 3: Cross multiply
    7,745.63x = 15,516.88 × 15,516.88
  4. Step 4: Simplify right side
    7,745.63x = 240,773,530.99
  5. Step 5: Solve for x
    x = 240,773,530.99/7,745.63
  6. Step 6: Final answer
    x = 31,085.10

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.