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Finding the Third Proportional to 983 and 2,071

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Solution

The third proportional to 983 and 2,071 is: 4,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    983 : 2,071 = 2,071 : x
  2. Step 2: Convert to fraction form
    983/2,071 = 2,071/x
  3. Step 3: Cross multiply
    983x = 2,071 × 2,071
  4. Step 4: Simplify right side
    983x = 4,289,041
  5. Step 5: Solve for x
    x = 4,289,041/983
  6. Step 6: Final answer
    x = 4,363.22

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.