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Finding the Third Proportional to 6,900.75 and 18,616.50

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Solution

The third proportional to 6,900.75 and 18,616.50 is: 50,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.75 : 18,616.50 = 18,616.50 : x
  2. Step 2: Convert to fraction form
    6,900.75/18,616.50 = 18,616.50/x
  3. Step 3: Cross multiply
    6,900.75x = 18,616.50 × 18,616.50
  4. Step 4: Simplify right side
    6,900.75x = 346,574,072.25
  5. Step 5: Solve for x
    x = 346,574,072.25/6,900.75
  6. Step 6: Final answer
    x = 50,222.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.