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Finding the Third Proportional to 4,695 and 7,627.50

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Solution

The third proportional to 4,695 and 7,627.50 is: 12,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695 : 7,627.50 = 7,627.50 : x
  2. Step 2: Convert to fraction form
    4,695/7,627.50 = 7,627.50/x
  3. Step 3: Cross multiply
    4,695x = 7,627.50 × 7,627.50
  4. Step 4: Simplify right side
    4,695x = 58,178,756.25
  5. Step 5: Solve for x
    x = 58,178,756.25/4,695
  6. Step 6: Final answer
    x = 12,391.64

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.