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Finding the Third Proportional to 30,253 and 46,821

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Solution

The third proportional to 30,253 and 46,821 is: 72,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253 : 46,821 = 46,821 : x
  2. Step 2: Convert to fraction form
    30,253/46,821 = 46,821/x
  3. Step 3: Cross multiply
    30,253x = 46,821 × 46,821
  4. Step 4: Simplify right side
    30,253x = 2,192,206,041
  5. Step 5: Solve for x
    x = 2,192,206,041/30,253
  6. Step 6: Final answer
    x = 72,462.43

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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.