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Finding the Third Proportional to 210,328 and 325,860

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Solution

The third proportional to 210,328 and 325,860 is: 504,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,328 : 325,860 = 325,860 : x
  2. Step 2: Convert to fraction form
    210,328/325,860 = 325,860/x
  3. Step 3: Cross multiply
    210,328x = 325,860 × 325,860
  4. Step 4: Simplify right side
    210,328x = 106,184,739,600
  5. Step 5: Solve for x
    x = 106,184,739,600/210,328
  6. Step 6: Final answer
    x = 504,853.08

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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.