Home / 455,340-999,255

Finding the Third Proportional to 455,340 and 999,255

Calculator

Solution

The third proportional to 455,340 and 999,255 is: 2,192,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,340 : 999,255 = 999,255 : x
  2. Step 2: Convert to fraction form
    455,340/999,255 = 999,255/x
  3. Step 3: Cross multiply
    455,340x = 999,255 × 999,255
  4. Step 4: Simplify right side
    455,340x = 998,510,555,025
  5. Step 5: Solve for x
    x = 998,510,555,025/455,340
  6. Step 6: Final answer
    x = 2,192,890.05

Related Problems

Find third proportional to 227,670 and 499,627.50
Half scale
Find third proportional to 910,680 and 1,998,510
Double scale
Find third proportional to 455,342 and 999,259
Similar ratio
Find third proportional to 683,010 and 1,498,882.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.