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Finding the Third Proportional to 9,242 and 19,807

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Solution

The third proportional to 9,242 and 19,807 is: 42,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242 : 19,807 = 19,807 : x
  2. Step 2: Convert to fraction form
    9,242/19,807 = 19,807/x
  3. Step 3: Cross multiply
    9,242x = 19,807 × 19,807
  4. Step 4: Simplify right side
    9,242x = 392,317,249
  5. Step 5: Solve for x
    x = 392,317,249/9,242
  6. Step 6: Final answer
    x = 42,449.39

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.