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Finding the Third Proportional to 3,434 and 4,772.50

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Solution

The third proportional to 3,434 and 4,772.50 is: 6,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434 : 4,772.50 = 4,772.50 : x
  2. Step 2: Convert to fraction form
    3,434/4,772.50 = 4,772.50/x
  3. Step 3: Cross multiply
    3,434x = 4,772.50 × 4,772.50
  4. Step 4: Simplify right side
    3,434x = 22,776,756.25
  5. Step 5: Solve for x
    x = 22,776,756.25/3,434
  6. Step 6: Final answer
    x = 6,632.72

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.