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Finding the Third Proportional to 22,018 and 48,408

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Solution

The third proportional to 22,018 and 48,408 is: 106,428.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018 : 48,408 = 48,408 : x
  2. Step 2: Convert to fraction form
    22,018/48,408 = 48,408/x
  3. Step 3: Cross multiply
    22,018x = 48,408 × 48,408
  4. Step 4: Simplify right side
    22,018x = 2,343,334,464
  5. Step 5: Solve for x
    x = 2,343,334,464/22,018
  6. Step 6: Final answer
    x = 106,428.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.