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Finding the Third Proportional to 717,686 and 1,554,280

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Solution

The third proportional to 717,686 and 1,554,280 is: 3,366,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,686 : 1,554,280 = 1,554,280 : x
  2. Step 2: Convert to fraction form
    717,686/1,554,280 = 1,554,280/x
  3. Step 3: Cross multiply
    717,686x = 1,554,280 × 1,554,280
  4. Step 4: Simplify right side
    717,686x = 2,415,786,318,400
  5. Step 5: Solve for x
    x = 2,415,786,318,400/717,686
  6. Step 6: Final answer
    x = 3,366,076.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.