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Finding the Third Proportional to 29,603 and 45,285

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Solution

The third proportional to 29,603 and 45,285 is: 69,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,603 : 45,285 = 45,285 : x
  2. Step 2: Convert to fraction form
    29,603/45,285 = 45,285/x
  3. Step 3: Cross multiply
    29,603x = 45,285 × 45,285
  4. Step 4: Simplify right side
    29,603x = 2,050,731,225
  5. Step 5: Solve for x
    x = 2,050,731,225/29,603
  6. Step 6: Final answer
    x = 69,274.44

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.