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Finding the Third Proportional to 7,805 and 12,032

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Solution

The third proportional to 7,805 and 12,032 is: 18,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805 : 12,032 = 12,032 : x
  2. Step 2: Convert to fraction form
    7,805/12,032 = 12,032/x
  3. Step 3: Cross multiply
    7,805x = 12,032 × 12,032
  4. Step 4: Simplify right side
    7,805x = 144,769,024
  5. Step 5: Solve for x
    x = 144,769,024/7,805
  6. Step 6: Final answer
    x = 18,548.24

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.