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Finding the Third Proportional to 7,458 and 11,967

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Solution

The third proportional to 7,458 and 11,967 is: 19,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458 : 11,967 = 11,967 : x
  2. Step 2: Convert to fraction form
    7,458/11,967 = 11,967/x
  3. Step 3: Cross multiply
    7,458x = 11,967 × 11,967
  4. Step 4: Simplify right side
    7,458x = 143,209,089
  5. Step 5: Solve for x
    x = 143,209,089/7,458
  6. Step 6: Final answer
    x = 19,202.08

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.