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Finding the Third Proportional to 7,745.63 and 12,954.94

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Solution

The third proportional to 7,745.63 and 12,954.94 is: 21,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.63 : 12,954.94 = 12,954.94 : x
  2. Step 2: Convert to fraction form
    7,745.63/12,954.94 = 12,954.94/x
  3. Step 3: Cross multiply
    7,745.63x = 12,954.94 × 12,954.94
  4. Step 4: Simplify right side
    7,745.63x = 167,830,405.63
  5. Step 5: Solve for x
    x = 167,830,405.63/7,745.63
  6. Step 6: Final answer
    x = 21,667.77

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.