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Finding the Third Proportional to 45,047 and 70,665

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Solution

The third proportional to 45,047 and 70,665 is: 110,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,047 : 70,665 = 70,665 : x
  2. Step 2: Convert to fraction form
    45,047/70,665 = 70,665/x
  3. Step 3: Cross multiply
    45,047x = 70,665 × 70,665
  4. Step 4: Simplify right side
    45,047x = 4,993,542,225
  5. Step 5: Solve for x
    x = 4,993,542,225/45,047
  6. Step 6: Final answer
    x = 110,851.83

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.