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Finding the Third Proportional to 9,138,994 and 20,071,512

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Solution

The third proportional to 9,138,994 and 20,071,512 is: 44,082,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,994 : 20,071,512 = 20,071,512 : x
  2. Step 2: Convert to fraction form
    9,138,994/20,071,512 = 20,071,512/x
  3. Step 3: Cross multiply
    9,138,994x = 20,071,512 × 20,071,512
  4. Step 4: Simplify right side
    9,138,994x = 402,865,593,966,144
  5. Step 5: Solve for x
    x = 402,865,593,966,144/9,138,994
  6. Step 6: Final answer
    x = 44,082,050.38

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.