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Finding the Third Proportional to 189,987 and 296,483

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Solution

The third proportional to 189,987 and 296,483 is: 462,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,987 : 296,483 = 296,483 : x
  2. Step 2: Convert to fraction form
    189,987/296,483 = 296,483/x
  3. Step 3: Cross multiply
    189,987x = 296,483 × 296,483
  4. Step 4: Simplify right side
    189,987x = 87,902,169,289
  5. Step 5: Solve for x
    x = 87,902,169,289/189,987
  6. Step 6: Final answer
    x = 462,674.65

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.