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Finding the Third Proportional to 680,766 and 1,486,173

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Solution

The third proportional to 680,766 and 1,486,173 is: 3,244,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,766 : 1,486,173 = 1,486,173 : x
  2. Step 2: Convert to fraction form
    680,766/1,486,173 = 1,486,173/x
  3. Step 3: Cross multiply
    680,766x = 1,486,173 × 1,486,173
  4. Step 4: Simplify right side
    680,766x = 2,208,710,185,929
  5. Step 5: Solve for x
    x = 2,208,710,185,929/680,766
  6. Step 6: Final answer
    x = 3,244,448.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.