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Finding the Third Proportional to 787,666 and 1,727,828

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Solution

The third proportional to 787,666 and 1,727,828 is: 3,790,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,666 : 1,727,828 = 1,727,828 : x
  2. Step 2: Convert to fraction form
    787,666/1,727,828 = 1,727,828/x
  3. Step 3: Cross multiply
    787,666x = 1,727,828 × 1,727,828
  4. Step 4: Simplify right side
    787,666x = 2,985,389,597,584
  5. Step 5: Solve for x
    x = 2,985,389,597,584/787,666
  6. Step 6: Final answer
    x = 3,790,171.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.