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Finding the Third Proportional to 136,289.25 and 206,894.25

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Solution

The third proportional to 136,289.25 and 206,894.25 is: 314,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,289.25 : 206,894.25 = 206,894.25 : x
  2. Step 2: Convert to fraction form
    136,289.25/206,894.25 = 206,894.25/x
  3. Step 3: Cross multiply
    136,289.25x = 206,894.25 × 206,894.25
  4. Step 4: Simplify right side
    136,289.25x = 42,805,230,683.06
  5. Step 5: Solve for x
    x = 42,805,230,683.06/136,289.25
  6. Step 6: Final answer
    x = 314,076.35

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.