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Finding the Third Proportional to 1,420,076 and 3,100,356

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Solution

The third proportional to 1,420,076 and 3,100,356 is: 6,768,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,076 : 3,100,356 = 3,100,356 : x
  2. Step 2: Convert to fraction form
    1,420,076/3,100,356 = 3,100,356/x
  3. Step 3: Cross multiply
    1,420,076x = 3,100,356 × 3,100,356
  4. Step 4: Simplify right side
    1,420,076x = 9,612,207,326,736
  5. Step 5: Solve for x
    x = 9,612,207,326,736/1,420,076
  6. Step 6: Final answer
    x = 6,768,797.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.