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Finding the Third Proportional to 30,418.88 and 63,163.13

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Solution

The third proportional to 30,418.88 and 63,163.13 is: 131,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.88 : 63,163.13 = 63,163.13 : x
  2. Step 2: Convert to fraction form
    30,418.88/63,163.13 = 63,163.13/x
  3. Step 3: Cross multiply
    30,418.88x = 63,163.13 × 63,163.13
  4. Step 4: Simplify right side
    30,418.88x = 3,989,580,359.77
  5. Step 5: Solve for x
    x = 3,989,580,359.77/30,418.88
  6. Step 6: Final answer
    x = 131,154.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.