Home / 979,818-1,999,000.50

Finding the Third Proportional to 979,818 and 1,999,000.50

Calculator

Solution

The third proportional to 979,818 and 1,999,000.50 is: 4,078,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,818 : 1,999,000.50 = 1,999,000.50 : x
  2. Step 2: Convert to fraction form
    979,818/1,999,000.50 = 1,999,000.50/x
  3. Step 3: Cross multiply
    979,818x = 1,999,000.50 × 1,999,000.50
  4. Step 4: Simplify right side
    979,818x = 3,996,002,999,000.25
  5. Step 5: Solve for x
    x = 3,996,002,999,000.25/979,818
  6. Step 6: Final answer
    x = 4,078,311.48

Related Problems

Find third proportional to 489,909 and 999,500.25
Half scale
Find third proportional to 1,959,636 and 3,998,001
Double scale
Find third proportional to 979,820 and 1,999,005
Similar ratio
Find third proportional to 1,469,727 and 2,998,500.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.