Home / 81,586,075.50-126,515,000.25

Finding the Third Proportional to 81,586,075.50 and 126,515,000.25

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Solution

The third proportional to 81,586,075.50 and 126,515,000.25 is: 196,185,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,586,075.50 : 126,515,000.25 = 126,515,000.25 : x
  2. Step 2: Convert to fraction form
    81,586,075.50/126,515,000.25 = 126,515,000.25/x
  3. Step 3: Cross multiply
    81,586,075.50x = 126,515,000.25 × 126,515,000.25
  4. Step 4: Simplify right side
    81,586,075.50x = 16,006,045,288,257,500
  5. Step 5: Solve for x
    x = 16,006,045,288,257,500/81,586,075.50
  6. Step 6: Final answer
    x = 196,185,993.63

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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.