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Finding the Third Proportional to 34,728 and 74,633.63

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Solution

The third proportional to 34,728 and 74,633.63 is: 160,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,728 : 74,633.63 = 74,633.63 : x
  2. Step 2: Convert to fraction form
    34,728/74,633.63 = 74,633.63/x
  3. Step 3: Cross multiply
    34,728x = 74,633.63 × 74,633.63
  4. Step 4: Simplify right side
    34,728x = 5,570,177,980.64
  5. Step 5: Solve for x
    x = 5,570,177,980.64/34,728
  6. Step 6: Final answer
    x = 160,394.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.