Home / 990,288-1,494,909

Finding the Third Proportional to 990,288 and 1,494,909

Calculator

Solution

The third proportional to 990,288 and 1,494,909 is: 2,256,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,288 : 1,494,909 = 1,494,909 : x
  2. Step 2: Convert to fraction form
    990,288/1,494,909 = 1,494,909/x
  3. Step 3: Cross multiply
    990,288x = 1,494,909 × 1,494,909
  4. Step 4: Simplify right side
    990,288x = 2,234,752,918,281
  5. Step 5: Solve for x
    x = 2,234,752,918,281/990,288
  6. Step 6: Final answer
    x = 2,256,669.69

Related Problems

Find third proportional to 495,144 and 747,454.50
Half scale
Find third proportional to 1,980,576 and 2,989,818
Double scale
Find third proportional to 990,290 and 1,494,912
Similar ratio
Find third proportional to 1,485,432 and 2,242,363.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.