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Finding the Third Proportional to 4,991,274 and 10,218,636

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Solution

The third proportional to 4,991,274 and 10,218,636 is: 20,920,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,274 : 10,218,636 = 10,218,636 : x
  2. Step 2: Convert to fraction form
    4,991,274/10,218,636 = 10,218,636/x
  3. Step 3: Cross multiply
    4,991,274x = 10,218,636 × 10,218,636
  4. Step 4: Simplify right side
    4,991,274x = 104,420,521,700,496
  5. Step 5: Solve for x
    x = 104,420,521,700,496/4,991,274
  6. Step 6: Final answer
    x = 20,920,615.00

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.