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Finding the Third Proportional to 3,000 and 7,572

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Solution

The third proportional to 3,000 and 7,572 is: 19,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000 : 7,572 = 7,572 : x
  2. Step 2: Convert to fraction form
    3,000/7,572 = 7,572/x
  3. Step 3: Cross multiply
    3,000x = 7,572 × 7,572
  4. Step 4: Simplify right side
    3,000x = 57,335,184
  5. Step 5: Solve for x
    x = 57,335,184/3,000
  6. Step 6: Final answer
    x = 19,111.73

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Why These Related Problems?

These problems maintain the same ratio (2.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.