Home / 407,674-864,684

Finding the Third Proportional to 407,674 and 864,684

Calculator

Solution

The third proportional to 407,674 and 864,684 is: 1,834,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,674 : 864,684 = 864,684 : x
  2. Step 2: Convert to fraction form
    407,674/864,684 = 864,684/x
  3. Step 3: Cross multiply
    407,674x = 864,684 × 864,684
  4. Step 4: Simplify right side
    407,674x = 747,678,419,856
  5. Step 5: Solve for x
    x = 747,678,419,856/407,674
  6. Step 6: Final answer
    x = 1,834,010.56

Related Problems

Find third proportional to 203,837 and 432,342
Half scale
Find third proportional to 815,348 and 1,729,368
Double scale
Find third proportional to 407,676 and 864,688
Similar ratio
Find third proportional to 611,511 and 1,297,026
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.