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Finding the Third Proportional to 22,121 and 48,130

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Solution

The third proportional to 22,121 and 48,130 is: 104,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121 : 48,130 = 48,130 : x
  2. Step 2: Convert to fraction form
    22,121/48,130 = 48,130/x
  3. Step 3: Cross multiply
    22,121x = 48,130 × 48,130
  4. Step 4: Simplify right side
    22,121x = 2,316,496,900
  5. Step 5: Solve for x
    x = 2,316,496,900/22,121
  6. Step 6: Final answer
    x = 104,719.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.