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Finding the Third Proportional to 9,106 and 19,130

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Solution

The third proportional to 9,106 and 19,130 is: 40,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106 : 19,130 = 19,130 : x
  2. Step 2: Convert to fraction form
    9,106/19,130 = 19,130/x
  3. Step 3: Cross multiply
    9,106x = 19,130 × 19,130
  4. Step 4: Simplify right side
    9,106x = 365,956,900
  5. Step 5: Solve for x
    x = 365,956,900/9,106
  6. Step 6: Final answer
    x = 40,188.55

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.