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Finding the Third Proportional to 17,990,966 and 26,311,705

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Solution

The third proportional to 17,990,966 and 26,311,705 is: 38,480,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990,966 : 26,311,705 = 26,311,705 : x
  2. Step 2: Convert to fraction form
    17,990,966/26,311,705 = 26,311,705/x
  3. Step 3: Cross multiply
    17,990,966x = 26,311,705 × 26,311,705
  4. Step 4: Simplify right side
    17,990,966x = 692,305,820,007,025
  5. Step 5: Solve for x
    x = 692,305,820,007,025/17,990,966
  6. Step 6: Final answer
    x = 38,480,747.50

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.