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Finding the Third Proportional to 21,567 and 44,430

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Solution

The third proportional to 21,567 and 44,430 is: 91,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567 : 44,430 = 44,430 : x
  2. Step 2: Convert to fraction form
    21,567/44,430 = 44,430/x
  3. Step 3: Cross multiply
    21,567x = 44,430 × 44,430
  4. Step 4: Simplify right side
    21,567x = 1,974,024,900
  5. Step 5: Solve for x
    x = 1,974,024,900/21,567
  6. Step 6: Final answer
    x = 91,529.88

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.