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Finding the Third Proportional to 20,297,611 and 31,477,466

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Solution

The third proportional to 20,297,611 and 31,477,466 is: 48,815,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297,611 : 31,477,466 = 31,477,466 : x
  2. Step 2: Convert to fraction form
    20,297,611/31,477,466 = 31,477,466/x
  3. Step 3: Cross multiply
    20,297,611x = 31,477,466 × 31,477,466
  4. Step 4: Simplify right side
    20,297,611x = 990,830,865,781,156
  5. Step 5: Solve for x
    x = 990,830,865,781,156/20,297,611
  6. Step 6: Final answer
    x = 48,815,147.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.