Home / 540,930-811,476

Finding the Third Proportional to 540,930 and 811,476

Calculator

Solution

The third proportional to 540,930 and 811,476 is: 1,217,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,930 : 811,476 = 811,476 : x
  2. Step 2: Convert to fraction form
    540,930/811,476 = 811,476/x
  3. Step 3: Cross multiply
    540,930x = 811,476 × 811,476
  4. Step 4: Simplify right side
    540,930x = 658,493,298,576
  5. Step 5: Solve for x
    x = 658,493,298,576/540,930
  6. Step 6: Final answer
    x = 1,217,335.51

Related Problems

Find third proportional to 270,465 and 405,738
Half scale
Find third proportional to 1,081,860 and 1,622,952
Double scale
Find third proportional to 540,932 and 811,479
Similar ratio
Find third proportional to 811,395 and 1,217,214
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.