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Finding the Third Proportional to 10,989,874 and 16,811,187

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Solution

The third proportional to 10,989,874 and 16,811,187 is: 25,716,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,874 : 16,811,187 = 16,811,187 : x
  2. Step 2: Convert to fraction form
    10,989,874/16,811,187 = 16,811,187/x
  3. Step 3: Cross multiply
    10,989,874x = 16,811,187 × 16,811,187
  4. Step 4: Simplify right side
    10,989,874x = 282,616,008,348,969
  5. Step 5: Solve for x
    x = 282,616,008,348,969/10,989,874
  6. Step 6: Final answer
    x = 25,716,037.18

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.