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Finding the Third Proportional to 955,821 and 2,066,511

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Solution

The third proportional to 955,821 and 2,066,511 is: 4,467,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,821 : 2,066,511 = 2,066,511 : x
  2. Step 2: Convert to fraction form
    955,821/2,066,511 = 2,066,511/x
  3. Step 3: Cross multiply
    955,821x = 2,066,511 × 2,066,511
  4. Step 4: Simplify right side
    955,821x = 4,270,467,713,121
  5. Step 5: Solve for x
    x = 4,270,467,713,121/955,821
  6. Step 6: Final answer
    x = 4,467,852.99

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.