Home / 51,389,285,152.50-78,560,964,639

Finding the Third Proportional to 51,389,285,152.50 and 78,560,964,639

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Solution

The third proportional to 51,389,285,152.50 and 78,560,964,639 is: 120,099,455,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,389,285,152.50 : 78,560,964,639 = 78,560,964,639 : x
  2. Step 2: Convert to fraction form
    51,389,285,152.50/78,560,964,639 = 78,560,964,639/x
  3. Step 3: Cross multiply
    51,389,285,152.50x = 78,560,964,639 × 78,560,964,639
  4. Step 4: Simplify right side
    51,389,285,152.50x = 6,171,825,165,010,208,817,152
  5. Step 5: Solve for x
    x = 6,171,825,165,010,208,817,152/51,389,285,152.50
  6. Step 6: Final answer
    x = 120,099,455,493.40

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.