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Finding the Third Proportional to 839,116.97 and 1,290,532.50

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Solution

The third proportional to 839,116.97 and 1,290,532.50 is: 1,984,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,116.97 : 1,290,532.50 = 1,290,532.50 : x
  2. Step 2: Convert to fraction form
    839,116.97/1,290,532.50 = 1,290,532.50/x
  3. Step 3: Cross multiply
    839,116.97x = 1,290,532.50 × 1,290,532.50
  4. Step 4: Simplify right side
    839,116.97x = 1,665,474,133,556.25
  5. Step 5: Solve for x
    x = 1,665,474,133,556.25/839,116.97
  6. Step 6: Final answer
    x = 1,984,793.77

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.