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Finding the Third Proportional to 28,184 and 43,701

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Solution

The third proportional to 28,184 and 43,701 is: 67,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184 : 43,701 = 43,701 : x
  2. Step 2: Convert to fraction form
    28,184/43,701 = 43,701/x
  3. Step 3: Cross multiply
    28,184x = 43,701 × 43,701
  4. Step 4: Simplify right side
    28,184x = 1,909,777,401
  5. Step 5: Solve for x
    x = 1,909,777,401/28,184
  6. Step 6: Final answer
    x = 67,761.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.