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Finding the Third Proportional to 4,222.69 and 6,567.94

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Solution

The third proportional to 4,222.69 and 6,567.94 is: 10,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.69 : 6,567.94 = 6,567.94 : x
  2. Step 2: Convert to fraction form
    4,222.69/6,567.94 = 6,567.94/x
  3. Step 3: Cross multiply
    4,222.69x = 6,567.94 × 6,567.94
  4. Step 4: Simplify right side
    4,222.69x = 43,137,803.00
  5. Step 5: Solve for x
    x = 43,137,803.00/4,222.69
  6. Step 6: Final answer
    x = 10,215.72

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.