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Finding the Third Proportional to 1,702,920 and 2,618,268

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Solution

The third proportional to 1,702,920 and 2,618,268 is: 4,025,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,920 : 2,618,268 = 2,618,268 : x
  2. Step 2: Convert to fraction form
    1,702,920/2,618,268 = 2,618,268/x
  3. Step 3: Cross multiply
    1,702,920x = 2,618,268 × 2,618,268
  4. Step 4: Simplify right side
    1,702,920x = 6,855,327,319,824
  5. Step 5: Solve for x
    x = 6,855,327,319,824/1,702,920
  6. Step 6: Final answer
    x = 4,025,630.87

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.