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Finding the Third Proportional to 149,718 and 324,617

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Solution

The third proportional to 149,718 and 324,617 is: 703,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,718 : 324,617 = 324,617 : x
  2. Step 2: Convert to fraction form
    149,718/324,617 = 324,617/x
  3. Step 3: Cross multiply
    149,718x = 324,617 × 324,617
  4. Step 4: Simplify right side
    149,718x = 105,376,196,689
  5. Step 5: Solve for x
    x = 105,376,196,689/149,718
  6. Step 6: Final answer
    x = 703,831.18

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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.