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Finding the Third Proportional to 3,312 and 4,950

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Solution

The third proportional to 3,312 and 4,950 is: 7,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312 : 4,950 = 4,950 : x
  2. Step 2: Convert to fraction form
    3,312/4,950 = 4,950/x
  3. Step 3: Cross multiply
    3,312x = 4,950 × 4,950
  4. Step 4: Simplify right side
    3,312x = 24,502,500
  5. Step 5: Solve for x
    x = 24,502,500/3,312
  6. Step 6: Final answer
    x = 7,398.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.