Home / 443,127-687,452

Finding the Third Proportional to 443,127 and 687,452

Calculator

Solution

The third proportional to 443,127 and 687,452 is: 1,066,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,127 : 687,452 = 687,452 : x
  2. Step 2: Convert to fraction form
    443,127/687,452 = 687,452/x
  3. Step 3: Cross multiply
    443,127x = 687,452 × 687,452
  4. Step 4: Simplify right side
    443,127x = 472,590,252,304
  5. Step 5: Solve for x
    x = 472,590,252,304/443,127
  6. Step 6: Final answer
    x = 1,066,489.41

Related Problems

Find third proportional to 221,563.50 and 343,726
Half scale
Find third proportional to 886,254 and 1,374,904
Double scale
Find third proportional to 443,129 and 687,455
Similar ratio
Find third proportional to 664,690.50 and 1,031,178
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.