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Finding the Third Proportional to 148,250 and 326,740

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Solution

The third proportional to 148,250 and 326,740 is: 720,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,250 : 326,740 = 326,740 : x
  2. Step 2: Convert to fraction form
    148,250/326,740 = 326,740/x
  3. Step 3: Cross multiply
    148,250x = 326,740 × 326,740
  4. Step 4: Simplify right side
    148,250x = 106,759,027,600
  5. Step 5: Solve for x
    x = 106,759,027,600/148,250
  6. Step 6: Final answer
    x = 720,128.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.