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Finding the Third Proportional to 210,227.63 and 330,408

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Solution

The third proportional to 210,227.63 and 330,408 is: 519,291.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,227.63 : 330,408 = 330,408 : x
  2. Step 2: Convert to fraction form
    210,227.63/330,408 = 330,408/x
  3. Step 3: Cross multiply
    210,227.63x = 330,408 × 330,408
  4. Step 4: Simplify right side
    210,227.63x = 109,169,446,464
  5. Step 5: Solve for x
    x = 109,169,446,464/210,227.63
  6. Step 6: Final answer
    x = 519,291.63

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.