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Finding the Third Proportional to 2,643 and 2,841

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Solution

The third proportional to 2,643 and 2,841 is: 3,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643 : 2,841 = 2,841 : x
  2. Step 2: Convert to fraction form
    2,643/2,841 = 2,841/x
  3. Step 3: Cross multiply
    2,643x = 2,841 × 2,841
  4. Step 4: Simplify right side
    2,643x = 8,071,281
  5. Step 5: Solve for x
    x = 8,071,281/2,643
  6. Step 6: Final answer
    x = 3,053.83

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.