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Finding the Third Proportional to 14,277.38 and 20,928.94

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Solution

The third proportional to 14,277.38 and 20,928.94 is: 30,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.38 : 20,928.94 = 20,928.94 : x
  2. Step 2: Convert to fraction form
    14,277.38/20,928.94 = 20,928.94/x
  3. Step 3: Cross multiply
    14,277.38x = 20,928.94 × 20,928.94
  4. Step 4: Simplify right side
    14,277.38x = 438,020,424.88
  5. Step 5: Solve for x
    x = 438,020,424.88/14,277.38
  6. Step 6: Final answer
    x = 30,679.34

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.