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Finding the Third Proportional to 2,870 and 4,443

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Solution

The third proportional to 2,870 and 4,443 is: 6,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870 : 4,443 = 4,443 : x
  2. Step 2: Convert to fraction form
    2,870/4,443 = 4,443/x
  3. Step 3: Cross multiply
    2,870x = 4,443 × 4,443
  4. Step 4: Simplify right side
    2,870x = 19,740,249
  5. Step 5: Solve for x
    x = 19,740,249/2,870
  6. Step 6: Final answer
    x = 6,878.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.