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Finding the Third Proportional to 189,774 and 410,716

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Solution

The third proportional to 189,774 and 410,716 is: 888,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,774 : 410,716 = 410,716 : x
  2. Step 2: Convert to fraction form
    189,774/410,716 = 410,716/x
  3. Step 3: Cross multiply
    189,774x = 410,716 × 410,716
  4. Step 4: Simplify right side
    189,774x = 168,687,632,656
  5. Step 5: Solve for x
    x = 168,687,632,656/189,774
  6. Step 6: Final answer
    x = 888,886.95

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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.