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Finding the Third Proportional to 149,970 and 326,184

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Solution

The third proportional to 149,970 and 326,184 is: 709,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,970 : 326,184 = 326,184 : x
  2. Step 2: Convert to fraction form
    149,970/326,184 = 326,184/x
  3. Step 3: Cross multiply
    149,970x = 326,184 × 326,184
  4. Step 4: Simplify right side
    149,970x = 106,396,001,856
  5. Step 5: Solve for x
    x = 106,396,001,856/149,970
  6. Step 6: Final answer
    x = 709,448.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.