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Finding the Third Proportional to 7,764 and 12,033

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Solution

The third proportional to 7,764 and 12,033 is: 18,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764 : 12,033 = 12,033 : x
  2. Step 2: Convert to fraction form
    7,764/12,033 = 12,033/x
  3. Step 3: Cross multiply
    7,764x = 12,033 × 12,033
  4. Step 4: Simplify right side
    7,764x = 144,793,089
  5. Step 5: Solve for x
    x = 144,793,089/7,764
  6. Step 6: Final answer
    x = 18,649.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.