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Finding the Third Proportional to 787,664 and 1,727,824

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Solution

The third proportional to 787,664 and 1,727,824 is: 3,790,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,664 : 1,727,824 = 1,727,824 : x
  2. Step 2: Convert to fraction form
    787,664/1,727,824 = 1,727,824/x
  3. Step 3: Cross multiply
    787,664x = 1,727,824 × 1,727,824
  4. Step 4: Simplify right side
    787,664x = 2,985,375,774,976
  5. Step 5: Solve for x
    x = 2,985,375,774,976/787,664
  6. Step 6: Final answer
    x = 3,790,164.05

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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.