Home / 307,770-463,679

Finding the Third Proportional to 307,770 and 463,679

Calculator

Solution

The third proportional to 307,770 and 463,679 is: 698,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,770 : 463,679 = 463,679 : x
  2. Step 2: Convert to fraction form
    307,770/463,679 = 463,679/x
  3. Step 3: Cross multiply
    307,770x = 463,679 × 463,679
  4. Step 4: Simplify right side
    307,770x = 214,998,215,041
  5. Step 5: Solve for x
    x = 214,998,215,041/307,770
  6. Step 6: Final answer
    x = 698,567.81

Related Problems

Find third proportional to 153,885 and 231,839.50
Half scale
Find third proportional to 615,540 and 927,358
Double scale
Find third proportional to 307,772 and 463,682
Similar ratio
Find third proportional to 461,655 and 695,518.50
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.