Home / 999,000-2,140,920

Finding the Third Proportional to 999,000 and 2,140,920

Calculator

Solution

The third proportional to 999,000 and 2,140,920 is: 4,588,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,000 : 2,140,920 = 2,140,920 : x
  2. Step 2: Convert to fraction form
    999,000/2,140,920 = 2,140,920/x
  3. Step 3: Cross multiply
    999,000x = 2,140,920 × 2,140,920
  4. Step 4: Simplify right side
    999,000x = 4,583,538,446,400
  5. Step 5: Solve for x
    x = 4,583,538,446,400/999,000
  6. Step 6: Final answer
    x = 4,588,126.57

Related Problems

Find third proportional to 499,500 and 1,070,460
Half scale
Find third proportional to 1,998,000 and 4,281,840
Double scale
Find third proportional to 999,002 and 2,140,924
Similar ratio
Find third proportional to 1,498,500 and 3,211,380
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.