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Finding the Third Proportional to 165,296 and 358,078

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Solution

The third proportional to 165,296 and 358,078 is: 775,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,296 : 358,078 = 358,078 : x
  2. Step 2: Convert to fraction form
    165,296/358,078 = 358,078/x
  3. Step 3: Cross multiply
    165,296x = 358,078 × 358,078
  4. Step 4: Simplify right side
    165,296x = 128,219,854,084
  5. Step 5: Solve for x
    x = 128,219,854,084/165,296
  6. Step 6: Final answer
    x = 775,698.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.