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Finding the Third Proportional to 225,625.50 and 490,154.63

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Solution

The third proportional to 225,625.50 and 490,154.63 is: 1,064,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,625.50 : 490,154.63 = 490,154.63 : x
  2. Step 2: Convert to fraction form
    225,625.50/490,154.63 = 490,154.63/x
  3. Step 3: Cross multiply
    225,625.50x = 490,154.63 × 490,154.63
  4. Step 4: Simplify right side
    225,625.50x = 240,251,556,408.89
  5. Step 5: Solve for x
    x = 240,251,556,408.89/225,625.50
  6. Step 6: Final answer
    x = 1,064,824.48

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.