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Finding the Third Proportional to 14,078.81 and 18,962.44

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Solution

The third proportional to 14,078.81 and 18,962.44 is: 25,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.81 : 18,962.44 = 18,962.44 : x
  2. Step 2: Convert to fraction form
    14,078.81/18,962.44 = 18,962.44/x
  3. Step 3: Cross multiply
    14,078.81x = 18,962.44 × 18,962.44
  4. Step 4: Simplify right side
    14,078.81x = 359,574,035.94
  5. Step 5: Solve for x
    x = 359,574,035.94/14,078.81
  6. Step 6: Final answer
    x = 25,540.08

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.