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Finding the Third Proportional to 164,958 and 353,243

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Solution

The third proportional to 164,958 and 353,243 is: 756,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,958 : 353,243 = 353,243 : x
  2. Step 2: Convert to fraction form
    164,958/353,243 = 353,243/x
  3. Step 3: Cross multiply
    164,958x = 353,243 × 353,243
  4. Step 4: Simplify right side
    164,958x = 124,780,617,049
  5. Step 5: Solve for x
    x = 124,780,617,049/164,958
  6. Step 6: Final answer
    x = 756,438.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.