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Finding the Third Proportional to 201,816 and 302,724

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Solution

The third proportional to 201,816 and 302,724 is: 454,086

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,816 : 302,724 = 302,724 : x
  2. Step 2: Convert to fraction form
    201,816/302,724 = 302,724/x
  3. Step 3: Cross multiply
    201,816x = 302,724 × 302,724
  4. Step 4: Simplify right side
    201,816x = 91,641,820,176
  5. Step 5: Solve for x
    x = 91,641,820,176/201,816
  6. Step 6: Final answer
    x = 454,086

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.