Home / 431,455-675,351

Finding the Third Proportional to 431,455 and 675,351

Calculator

Solution

The third proportional to 431,455 and 675,351 is: 1,057,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,455 : 675,351 = 675,351 : x
  2. Step 2: Convert to fraction form
    431,455/675,351 = 675,351/x
  3. Step 3: Cross multiply
    431,455x = 675,351 × 675,351
  4. Step 4: Simplify right side
    431,455x = 456,098,973,201
  5. Step 5: Solve for x
    x = 456,098,973,201/431,455
  6. Step 6: Final answer
    x = 1,057,118.29

Related Problems

Find third proportional to 215,727.50 and 337,675.50
Half scale
Find third proportional to 862,910 and 1,350,702
Double scale
Find third proportional to 431,457 and 675,354
Similar ratio
Find third proportional to 647,182.50 and 1,013,026.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.