Home / 493,449-743,818

Finding the Third Proportional to 493,449 and 743,818

Calculator

Solution

The third proportional to 493,449 and 743,818 is: 1,121,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,449 : 743,818 = 743,818 : x
  2. Step 2: Convert to fraction form
    493,449/743,818 = 743,818/x
  3. Step 3: Cross multiply
    493,449x = 743,818 × 743,818
  4. Step 4: Simplify right side
    493,449x = 553,265,217,124
  5. Step 5: Solve for x
    x = 553,265,217,124/493,449
  6. Step 6: Final answer
    x = 1,121,220.67

Related Problems

Find third proportional to 246,724.50 and 371,909
Half scale
Find third proportional to 986,898 and 1,487,636
Double scale
Find third proportional to 493,451 and 743,821
Similar ratio
Find third proportional to 740,173.50 and 1,115,727
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.