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Finding the Third Proportional to 157,311.75 and 340,867.50

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Solution

The third proportional to 157,311.75 and 340,867.50 is: 738,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,311.75 : 340,867.50 = 340,867.50 : x
  2. Step 2: Convert to fraction form
    157,311.75/340,867.50 = 340,867.50/x
  3. Step 3: Cross multiply
    157,311.75x = 340,867.50 × 340,867.50
  4. Step 4: Simplify right side
    157,311.75x = 116,190,652,556.25
  5. Step 5: Solve for x
    x = 116,190,652,556.25/157,311.75
  6. Step 6: Final answer
    x = 738,601.23

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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.