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Finding the Third Proportional to 434,898 and 899,628.75

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Solution

The third proportional to 434,898 and 899,628.75 is: 1,860,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,898 : 899,628.75 = 899,628.75 : x
  2. Step 2: Convert to fraction form
    434,898/899,628.75 = 899,628.75/x
  3. Step 3: Cross multiply
    434,898x = 899,628.75 × 899,628.75
  4. Step 4: Simplify right side
    434,898x = 809,331,887,826.56
  5. Step 5: Solve for x
    x = 809,331,887,826.56/434,898
  6. Step 6: Final answer
    x = 1,860,969.44

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.