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Finding the Third Proportional to 69,020 and 94,296

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Solution

The third proportional to 69,020 and 94,296 is: 128,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,020 : 94,296 = 94,296 : x
  2. Step 2: Convert to fraction form
    69,020/94,296 = 94,296/x
  3. Step 3: Cross multiply
    69,020x = 94,296 × 94,296
  4. Step 4: Simplify right side
    69,020x = 8,891,735,616
  5. Step 5: Solve for x
    x = 8,891,735,616/69,020
  6. Step 6: Final answer
    x = 128,828.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.