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Finding the Third Proportional to 1,977,870,315 and 4,118,511,048

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Solution

The third proportional to 1,977,870,315 and 4,118,511,048 is: 8,575,958,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,870,315 : 4,118,511,048 = 4,118,511,048 : x
  2. Step 2: Convert to fraction form
    1,977,870,315/4,118,511,048 = 4,118,511,048/x
  3. Step 3: Cross multiply
    1,977,870,315x = 4,118,511,048 × 4,118,511,048
  4. Step 4: Simplify right side
    1,977,870,315x = 16,962,133,252,498,059,264
  5. Step 5: Solve for x
    x = 16,962,133,252,498,059,264/1,977,870,315
  6. Step 6: Final answer
    x = 8,575,958,253.61

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.