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Finding the Third Proportional to 395,303 and 869,326

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Solution

The third proportional to 395,303 and 869,326 is: 1,911,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,303 : 869,326 = 869,326 : x
  2. Step 2: Convert to fraction form
    395,303/869,326 = 869,326/x
  3. Step 3: Cross multiply
    395,303x = 869,326 × 869,326
  4. Step 4: Simplify right side
    395,303x = 755,727,694,276
  5. Step 5: Solve for x
    x = 755,727,694,276/395,303
  6. Step 6: Final answer
    x = 1,911,768.17

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.