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Finding the Third Proportional to 30,868 and 49,703

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Solution

The third proportional to 30,868 and 49,703 is: 80,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,868 : 49,703 = 49,703 : x
  2. Step 2: Convert to fraction form
    30,868/49,703 = 49,703/x
  3. Step 3: Cross multiply
    30,868x = 49,703 × 49,703
  4. Step 4: Simplify right side
    30,868x = 2,470,388,209
  5. Step 5: Solve for x
    x = 2,470,388,209/30,868
  6. Step 6: Final answer
    x = 80,030.72

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.