Home / 443,048-687,306

Finding the Third Proportional to 443,048 and 687,306

Calculator

Solution

The third proportional to 443,048 and 687,306 is: 1,066,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,048 : 687,306 = 687,306 : x
  2. Step 2: Convert to fraction form
    443,048/687,306 = 687,306/x
  3. Step 3: Cross multiply
    443,048x = 687,306 × 687,306
  4. Step 4: Simplify right side
    443,048x = 472,389,537,636
  5. Step 5: Solve for x
    x = 472,389,537,636/443,048
  6. Step 6: Final answer
    x = 1,066,226.54

Related Problems

Find third proportional to 221,524 and 343,653
Half scale
Find third proportional to 886,096 and 1,374,612
Double scale
Find third proportional to 443,050 and 687,309
Similar ratio
Find third proportional to 664,572 and 1,030,959
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.