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Finding the Third Proportional to 10,221,994 and 21,942,335

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Solution

The third proportional to 10,221,994 and 21,942,335 is: 47,100,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,994 : 21,942,335 = 21,942,335 : x
  2. Step 2: Convert to fraction form
    10,221,994/21,942,335 = 21,942,335/x
  3. Step 3: Cross multiply
    10,221,994x = 21,942,335 × 21,942,335
  4. Step 4: Simplify right side
    10,221,994x = 481,466,065,252,225
  5. Step 5: Solve for x
    x = 481,466,065,252,225/10,221,994
  6. Step 6: Final answer
    x = 47,100,992.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.