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Finding the Third Proportional to 3,050 and 4,321

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Solution

The third proportional to 3,050 and 4,321 is: 6,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050 : 4,321 = 4,321 : x
  2. Step 2: Convert to fraction form
    3,050/4,321 = 4,321/x
  3. Step 3: Cross multiply
    3,050x = 4,321 × 4,321
  4. Step 4: Simplify right side
    3,050x = 18,671,041
  5. Step 5: Solve for x
    x = 18,671,041/3,050
  6. Step 6: Final answer
    x = 6,121.65

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.