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Finding the Third Proportional to 4,119 and 9,114

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Solution

The third proportional to 4,119 and 9,114 is: 20,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119 : 9,114 = 9,114 : x
  2. Step 2: Convert to fraction form
    4,119/9,114 = 9,114/x
  3. Step 3: Cross multiply
    4,119x = 9,114 × 9,114
  4. Step 4: Simplify right side
    4,119x = 83,064,996
  5. Step 5: Solve for x
    x = 83,064,996/4,119
  6. Step 6: Final answer
    x = 20,166.30

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.