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Finding the Third Proportional to 3,333 and 4,972.50

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Solution

The third proportional to 3,333 and 4,972.50 is: 7,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333 : 4,972.50 = 4,972.50 : x
  2. Step 2: Convert to fraction form
    3,333/4,972.50 = 4,972.50/x
  3. Step 3: Cross multiply
    3,333x = 4,972.50 × 4,972.50
  4. Step 4: Simplify right side
    3,333x = 24,725,756.25
  5. Step 5: Solve for x
    x = 24,725,756.25/3,333
  6. Step 6: Final answer
    x = 7,418.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.