Home / 383,314-843,721

Finding the Third Proportional to 383,314 and 843,721

Calculator

Solution

The third proportional to 383,314 and 843,721 is: 1,857,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,314 : 843,721 = 843,721 : x
  2. Step 2: Convert to fraction form
    383,314/843,721 = 843,721/x
  3. Step 3: Cross multiply
    383,314x = 843,721 × 843,721
  4. Step 4: Simplify right side
    383,314x = 711,865,125,841
  5. Step 5: Solve for x
    x = 711,865,125,841/383,314
  6. Step 6: Final answer
    x = 1,857,133.12

Related Problems

Find third proportional to 191,657 and 421,860.50
Half scale
Find third proportional to 766,628 and 1,687,442
Double scale
Find third proportional to 383,316 and 843,725
Similar ratio
Find third proportional to 574,971 and 1,265,581.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.