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Finding the Third Proportional to 301,090.50 and 412,861.50

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Solution

The third proportional to 301,090.50 and 412,861.50 is: 566,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,090.50 : 412,861.50 = 412,861.50 : x
  2. Step 2: Convert to fraction form
    301,090.50/412,861.50 = 412,861.50/x
  3. Step 3: Cross multiply
    301,090.50x = 412,861.50 × 412,861.50
  4. Step 4: Simplify right side
    301,090.50x = 170,454,618,182.25
  5. Step 5: Solve for x
    x = 170,454,618,182.25/301,090.50
  6. Step 6: Final answer
    x = 566,124.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.