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Finding the Third Proportional to 209,267,727 and 450,517,926

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Solution

The third proportional to 209,267,727 and 450,517,926 is: 969,888,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,267,727 : 450,517,926 = 450,517,926 : x
  2. Step 2: Convert to fraction form
    209,267,727/450,517,926 = 450,517,926/x
  3. Step 3: Cross multiply
    209,267,727x = 450,517,926 × 450,517,926
  4. Step 4: Simplify right side
    209,267,727x = 202,966,401,647,341,472
  5. Step 5: Solve for x
    x = 202,966,401,647,341,472/209,267,727
  6. Step 6: Final answer
    x = 969,888,690.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.