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Finding the Third Proportional to 207,521.50 and 453,485.75

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Solution

The third proportional to 207,521.50 and 453,485.75 is: 990,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,521.50 : 453,485.75 = 453,485.75 : x
  2. Step 2: Convert to fraction form
    207,521.50/453,485.75 = 453,485.75/x
  3. Step 3: Cross multiply
    207,521.50x = 453,485.75 × 453,485.75
  4. Step 4: Simplify right side
    207,521.50x = 205,649,325,453.06
  5. Step 5: Solve for x
    x = 205,649,325,453.06/207,521.50
  6. Step 6: Final answer
    x = 990,978.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.