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Finding the Third Proportional to 839,228 and 1,265,848

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Solution

The third proportional to 839,228 and 1,265,848 is: 1,909,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,228 : 1,265,848 = 1,265,848 : x
  2. Step 2: Convert to fraction form
    839,228/1,265,848 = 1,265,848/x
  3. Step 3: Cross multiply
    839,228x = 1,265,848 × 1,265,848
  4. Step 4: Simplify right side
    839,228x = 1,602,371,159,104
  5. Step 5: Solve for x
    x = 1,602,371,159,104/839,228
  6. Step 6: Final answer
    x = 1,909,339.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.