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Finding the Third Proportional to 859,365 and 1,890,336

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Solution

The third proportional to 859,365 and 1,890,336 is: 4,158,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,365 : 1,890,336 = 1,890,336 : x
  2. Step 2: Convert to fraction form
    859,365/1,890,336 = 1,890,336/x
  3. Step 3: Cross multiply
    859,365x = 1,890,336 × 1,890,336
  4. Step 4: Simplify right side
    859,365x = 3,573,370,192,896
  5. Step 5: Solve for x
    x = 3,573,370,192,896/859,365
  6. Step 6: Final answer
    x = 4,158,151.88

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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.