Home / 485,608-990,476

Finding the Third Proportional to 485,608 and 990,476

Calculator

Solution

The third proportional to 485,608 and 990,476 is: 2,020,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,608 : 990,476 = 990,476 : x
  2. Step 2: Convert to fraction form
    485,608/990,476 = 990,476/x
  3. Step 3: Cross multiply
    485,608x = 990,476 × 990,476
  4. Step 4: Simplify right side
    485,608x = 981,042,706,576
  5. Step 5: Solve for x
    x = 981,042,706,576/485,608
  6. Step 6: Final answer
    x = 2,020,235.88

Related Problems

Find third proportional to 242,804 and 495,238
Half scale
Find third proportional to 971,216 and 1,980,952
Double scale
Find third proportional to 485,610 and 990,480
Similar ratio
Find third proportional to 728,412 and 1,485,714
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.