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Finding the Third Proportional to 400,518.84 and 600,858

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Solution

The third proportional to 400,518.84 and 600,858 is: 901,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,518.84 : 600,858 = 600,858 : x
  2. Step 2: Convert to fraction form
    400,518.84/600,858 = 600,858/x
  3. Step 3: Cross multiply
    400,518.84x = 600,858 × 600,858
  4. Step 4: Simplify right side
    400,518.84x = 361,030,336,164
  5. Step 5: Solve for x
    x = 361,030,336,164/400,518.84
  6. Step 6: Final answer
    x = 901,406.62

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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.