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Finding the Third Proportional to 189,772 and 410,712

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Solution

The third proportional to 189,772 and 410,712 is: 888,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,772 : 410,712 = 410,712 : x
  2. Step 2: Convert to fraction form
    189,772/410,712 = 410,712/x
  3. Step 3: Cross multiply
    189,772x = 410,712 × 410,712
  4. Step 4: Simplify right side
    189,772x = 168,684,346,944
  5. Step 5: Solve for x
    x = 168,684,346,944/189,772
  6. Step 6: Final answer
    x = 888,879.01

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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.