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Finding the Third Proportional to 45,502 and 69,703

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Solution

The third proportional to 45,502 and 69,703 is: 106,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,502 : 69,703 = 69,703 : x
  2. Step 2: Convert to fraction form
    45,502/69,703 = 69,703/x
  3. Step 3: Cross multiply
    45,502x = 69,703 × 69,703
  4. Step 4: Simplify right side
    45,502x = 4,858,508,209
  5. Step 5: Solve for x
    x = 4,858,508,209/45,502
  6. Step 6: Final answer
    x = 106,775.71

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.