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Finding the Third Proportional to 745,318 and 1,608,653

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Solution

The third proportional to 745,318 and 1,608,653 is: 3,472,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,318 : 1,608,653 = 1,608,653 : x
  2. Step 2: Convert to fraction form
    745,318/1,608,653 = 1,608,653/x
  3. Step 3: Cross multiply
    745,318x = 1,608,653 × 1,608,653
  4. Step 4: Simplify right side
    745,318x = 2,587,764,474,409
  5. Step 5: Solve for x
    x = 2,587,764,474,409/745,318
  6. Step 6: Final answer
    x = 3,472,027.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.