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Finding the Third Proportional to 51,368 and 106,768

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Solution

The third proportional to 51,368 and 106,768 is: 221,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,368 : 106,768 = 106,768 : x
  2. Step 2: Convert to fraction form
    51,368/106,768 = 106,768/x
  3. Step 3: Cross multiply
    51,368x = 106,768 × 106,768
  4. Step 4: Simplify right side
    51,368x = 11,399,405,824
  5. Step 5: Solve for x
    x = 11,399,405,824/51,368
  6. Step 6: Final answer
    x = 221,916.48

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.