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Finding the Third Proportional to 210,969 and 326,758

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Solution

The third proportional to 210,969 and 326,758 is: 506,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,969 : 326,758 = 326,758 : x
  2. Step 2: Convert to fraction form
    210,969/326,758 = 326,758/x
  3. Step 3: Cross multiply
    210,969x = 326,758 × 326,758
  4. Step 4: Simplify right side
    210,969x = 106,770,790,564
  5. Step 5: Solve for x
    x = 106,770,790,564/210,969
  6. Step 6: Final answer
    x = 506,097.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.