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Finding the Third Proportional to 12,113 and 26,138

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Solution

The third proportional to 12,113 and 26,138 is: 56,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113 : 26,138 = 26,138 : x
  2. Step 2: Convert to fraction form
    12,113/26,138 = 26,138/x
  3. Step 3: Cross multiply
    12,113x = 26,138 × 26,138
  4. Step 4: Simplify right side
    12,113x = 683,195,044
  5. Step 5: Solve for x
    x = 683,195,044/12,113
  6. Step 6: Final answer
    x = 56,401.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.