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Finding the Third Proportional to 280,966 and 608,588

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Solution

The third proportional to 280,966 and 608,588 is: 1,318,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,966 : 608,588 = 608,588 : x
  2. Step 2: Convert to fraction form
    280,966/608,588 = 608,588/x
  3. Step 3: Cross multiply
    280,966x = 608,588 × 608,588
  4. Step 4: Simplify right side
    280,966x = 370,379,353,744
  5. Step 5: Solve for x
    x = 370,379,353,744/280,966
  6. Step 6: Final answer
    x = 1,318,235.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.