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Finding the Third Proportional to 210,201.75 and 325,630.13

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Solution

The third proportional to 210,201.75 and 325,630.13 is: 504,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,201.75 : 325,630.13 = 325,630.13 : x
  2. Step 2: Convert to fraction form
    210,201.75/325,630.13 = 325,630.13/x
  3. Step 3: Cross multiply
    210,201.75x = 325,630.13 × 325,630.13
  4. Step 4: Simplify right side
    210,201.75x = 106,034,978,307.52
  5. Step 5: Solve for x
    x = 106,034,978,307.52/210,201.75
  6. Step 6: Final answer
    x = 504,443.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.