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Finding the Third Proportional to 51,990,500 and 80,462,487

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Solution

The third proportional to 51,990,500 and 80,462,487 is: 124,526,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,500 : 80,462,487 = 80,462,487 : x
  2. Step 2: Convert to fraction form
    51,990,500/80,462,487 = 80,462,487/x
  3. Step 3: Cross multiply
    51,990,500x = 80,462,487 × 80,462,487
  4. Step 4: Simplify right side
    51,990,500x = 6,474,211,814,225,169
  5. Step 5: Solve for x
    x = 6,474,211,814,225,169/51,990,500
  6. Step 6: Final answer
    x = 124,526,823.44

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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.