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Finding the Third Proportional to 3,031 and 4,051.50

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Solution

The third proportional to 3,031 and 4,051.50 is: 5,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031 : 4,051.50 = 4,051.50 : x
  2. Step 2: Convert to fraction form
    3,031/4,051.50 = 4,051.50/x
  3. Step 3: Cross multiply
    3,031x = 4,051.50 × 4,051.50
  4. Step 4: Simplify right side
    3,031x = 16,414,652.25
  5. Step 5: Solve for x
    x = 16,414,652.25/3,031
  6. Step 6: Final answer
    x = 5,415.59

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.