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Finding the Third Proportional to 1,252,986 and 1,908,855

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Solution

The third proportional to 1,252,986 and 1,908,855 is: 2,908,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,986 : 1,908,855 = 1,908,855 : x
  2. Step 2: Convert to fraction form
    1,252,986/1,908,855 = 1,908,855/x
  3. Step 3: Cross multiply
    1,252,986x = 1,908,855 × 1,908,855
  4. Step 4: Simplify right side
    1,252,986x = 3,643,727,411,025
  5. Step 5: Solve for x
    x = 3,643,727,411,025/1,252,986
  6. Step 6: Final answer
    x = 2,908,035.21

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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.