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Finding the Third Proportional to 11,821,431 and 25,528,974

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Solution

The third proportional to 11,821,431 and 25,528,974 is: 55,131,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,431 : 25,528,974 = 25,528,974 : x
  2. Step 2: Convert to fraction form
    11,821,431/25,528,974 = 25,528,974/x
  3. Step 3: Cross multiply
    11,821,431x = 25,528,974 × 25,528,974
  4. Step 4: Simplify right side
    11,821,431x = 651,728,513,492,676
  5. Step 5: Solve for x
    x = 651,728,513,492,676/11,821,431
  6. Step 6: Final answer
    x = 55,131,101.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.