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Finding the Third Proportional to 136,047.75 and 294,258

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Solution

The third proportional to 136,047.75 and 294,258 is: 636,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,047.75 : 294,258 = 294,258 : x
  2. Step 2: Convert to fraction form
    136,047.75/294,258 = 294,258/x
  3. Step 3: Cross multiply
    136,047.75x = 294,258 × 294,258
  4. Step 4: Simplify right side
    136,047.75x = 86,587,770,564
  5. Step 5: Solve for x
    x = 86,587,770,564/136,047.75
  6. Step 6: Final answer
    x = 636,451.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.