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Finding the Third Proportional to 1,529.50 and 2,906

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Solution

The third proportional to 1,529.50 and 2,906 is: 5,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.50 : 2,906 = 2,906 : x
  2. Step 2: Convert to fraction form
    1,529.50/2,906 = 2,906/x
  3. Step 3: Cross multiply
    1,529.50x = 2,906 × 2,906
  4. Step 4: Simplify right side
    1,529.50x = 8,444,836
  5. Step 5: Solve for x
    x = 8,444,836/1,529.50
  6. Step 6: Final answer
    x = 5,521.31

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.