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Finding the Third Proportional to 132,912 and 202,824

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Solution

The third proportional to 132,912 and 202,824 is: 309,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,912 : 202,824 = 202,824 : x
  2. Step 2: Convert to fraction form
    132,912/202,824 = 202,824/x
  3. Step 3: Cross multiply
    132,912x = 202,824 × 202,824
  4. Step 4: Simplify right side
    132,912x = 41,137,574,976
  5. Step 5: Solve for x
    x = 41,137,574,976/132,912
  6. Step 6: Final answer
    x = 309,509.86

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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.