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Finding the Third Proportional to 165,296 and 358,060

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Solution

The third proportional to 165,296 and 358,060 is: 775,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,296 : 358,060 = 358,060 : x
  2. Step 2: Convert to fraction form
    165,296/358,060 = 358,060/x
  3. Step 3: Cross multiply
    165,296x = 358,060 × 358,060
  4. Step 4: Simplify right side
    165,296x = 128,206,963,600
  5. Step 5: Solve for x
    x = 128,206,963,600/165,296
  6. Step 6: Final answer
    x = 775,620.48

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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.