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Finding the Third Proportional to 163,808 and 357,923

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Solution

The third proportional to 163,808 and 357,923 is: 782,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,808 : 357,923 = 357,923 : x
  2. Step 2: Convert to fraction form
    163,808/357,923 = 357,923/x
  3. Step 3: Cross multiply
    163,808x = 357,923 × 357,923
  4. Step 4: Simplify right side
    163,808x = 128,108,873,929
  5. Step 5: Solve for x
    x = 128,108,873,929/163,808
  6. Step 6: Final answer
    x = 782,067.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.