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Finding the Third Proportional to 282,366 and 620,028

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Solution

The third proportional to 282,366 and 620,028 is: 1,361,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,366 : 620,028 = 620,028 : x
  2. Step 2: Convert to fraction form
    282,366/620,028 = 620,028/x
  3. Step 3: Cross multiply
    282,366x = 620,028 × 620,028
  4. Step 4: Simplify right side
    282,366x = 384,434,720,784
  5. Step 5: Solve for x
    x = 384,434,720,784/282,366
  6. Step 6: Final answer
    x = 1,361,476.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.