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Finding the Third Proportional to 186,945 and 397,258.50

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Solution

The third proportional to 186,945 and 397,258.50 is: 844,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,945 : 397,258.50 = 397,258.50 : x
  2. Step 2: Convert to fraction form
    186,945/397,258.50 = 397,258.50/x
  3. Step 3: Cross multiply
    186,945x = 397,258.50 × 397,258.50
  4. Step 4: Simplify right side
    186,945x = 157,814,315,822.25
  5. Step 5: Solve for x
    x = 157,814,315,822.25/186,945
  6. Step 6: Final answer
    x = 844,175.11

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.