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Finding the Third Proportional to 10,368 and 18,768

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Solution

The third proportional to 10,368 and 18,768 is: 33,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368 : 18,768 = 18,768 : x
  2. Step 2: Convert to fraction form
    10,368/18,768 = 18,768/x
  3. Step 3: Cross multiply
    10,368x = 18,768 × 18,768
  4. Step 4: Simplify right side
    10,368x = 352,237,824
  5. Step 5: Solve for x
    x = 352,237,824/10,368
  6. Step 6: Final answer
    x = 33,973.56

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.