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Finding the Third Proportional to 873,669 and 1,789,659

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Solution

The third proportional to 873,669 and 1,789,659 is: 3,666,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,669 : 1,789,659 = 1,789,659 : x
  2. Step 2: Convert to fraction form
    873,669/1,789,659 = 1,789,659/x
  3. Step 3: Cross multiply
    873,669x = 1,789,659 × 1,789,659
  4. Step 4: Simplify right side
    873,669x = 3,202,879,336,281
  5. Step 5: Solve for x
    x = 3,202,879,336,281/873,669
  6. Step 6: Final answer
    x = 3,666,010.05

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.