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Finding the Third Proportional to 341,505 and 513,357.75

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Solution

The third proportional to 341,505 and 513,357.75 is: 771,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,505 : 513,357.75 = 513,357.75 : x
  2. Step 2: Convert to fraction form
    341,505/513,357.75 = 513,357.75/x
  3. Step 3: Cross multiply
    341,505x = 513,357.75 × 513,357.75
  4. Step 4: Simplify right side
    341,505x = 263,536,179,485.06
  5. Step 5: Solve for x
    x = 263,536,179,485.06/341,505
  6. Step 6: Final answer
    x = 771,690.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.