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Finding the Third Proportional to 5,205,273 and 7,777,290

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Solution

The third proportional to 5,205,273 and 7,777,290 is: 11,620,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,273 : 7,777,290 = 7,777,290 : x
  2. Step 2: Convert to fraction form
    5,205,273/7,777,290 = 7,777,290/x
  3. Step 3: Cross multiply
    5,205,273x = 7,777,290 × 7,777,290
  4. Step 4: Simplify right side
    5,205,273x = 60,486,239,744,100
  5. Step 5: Solve for x
    x = 60,486,239,744,100/5,205,273
  6. Step 6: Final answer
    x = 11,620,185.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.