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Finding the Third Proportional to 30,195 and 71,047

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Solution

The third proportional to 30,195 and 71,047 is: 167,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195 : 71,047 = 71,047 : x
  2. Step 2: Convert to fraction form
    30,195/71,047 = 71,047/x
  3. Step 3: Cross multiply
    30,195x = 71,047 × 71,047
  4. Step 4: Simplify right side
    30,195x = 5,047,676,209
  5. Step 5: Solve for x
    x = 5,047,676,209/30,195
  6. Step 6: Final answer
    x = 167,169.27

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These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.