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Finding the Third Proportional to 1,881 and 2,813.06

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Solution

The third proportional to 1,881 and 2,813.06 is: 4,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881 : 2,813.06 = 2,813.06 : x
  2. Step 2: Convert to fraction form
    1,881/2,813.06 = 2,813.06/x
  3. Step 3: Cross multiply
    1,881x = 2,813.06 × 2,813.06
  4. Step 4: Simplify right side
    1,881x = 7,913,320.63
  5. Step 5: Solve for x
    x = 7,913,320.63/1,881
  6. Step 6: Final answer
    x = 4,206.98

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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.