Home / 391,450-751,796

Finding the Third Proportional to 391,450 and 751,796

Calculator

Solution

The third proportional to 391,450 and 751,796 is: 1,443,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,450 : 751,796 = 751,796 : x
  2. Step 2: Convert to fraction form
    391,450/751,796 = 751,796/x
  3. Step 3: Cross multiply
    391,450x = 751,796 × 751,796
  4. Step 4: Simplify right side
    391,450x = 565,197,225,616
  5. Step 5: Solve for x
    x = 565,197,225,616/391,450
  6. Step 6: Final answer
    x = 1,443,855.47

Related Problems

Find third proportional to 195,725 and 375,898
Half scale
Find third proportional to 782,900 and 1,503,592
Double scale
Find third proportional to 391,452 and 751,800
Similar ratio
Find third proportional to 587,175 and 1,127,694
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.