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Finding the Third Proportional to 839,190 and 1,265,751

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Solution

The third proportional to 839,190 and 1,265,751 is: 1,909,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,190 : 1,265,751 = 1,265,751 : x
  2. Step 2: Convert to fraction form
    839,190/1,265,751 = 1,265,751/x
  3. Step 3: Cross multiply
    839,190x = 1,265,751 × 1,265,751
  4. Step 4: Simplify right side
    839,190x = 1,602,125,594,001
  5. Step 5: Solve for x
    x = 1,602,125,594,001/839,190
  6. Step 6: Final answer
    x = 1,909,133.32

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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.