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Finding the Third Proportional to 618,136 and 1,324,986

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Solution

The third proportional to 618,136 and 1,324,986 is: 2,840,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,136 : 1,324,986 = 1,324,986 : x
  2. Step 2: Convert to fraction form
    618,136/1,324,986 = 1,324,986/x
  3. Step 3: Cross multiply
    618,136x = 1,324,986 × 1,324,986
  4. Step 4: Simplify right side
    618,136x = 1,755,587,900,196
  5. Step 5: Solve for x
    x = 1,755,587,900,196/618,136
  6. Step 6: Final answer
    x = 2,840,132.11

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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.