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Finding the Third Proportional to 28,700 and 43,079

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Solution

The third proportional to 28,700 and 43,079 is: 64,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700 : 43,079 = 43,079 : x
  2. Step 2: Convert to fraction form
    28,700/43,079 = 43,079/x
  3. Step 3: Cross multiply
    28,700x = 43,079 × 43,079
  4. Step 4: Simplify right side
    28,700x = 1,855,800,241
  5. Step 5: Solve for x
    x = 1,855,800,241/28,700
  6. Step 6: Final answer
    x = 64,662.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.