Home / 307,881-461,360.81

Finding the Third Proportional to 307,881 and 461,360.81

Calculator

Solution

The third proportional to 307,881 and 461,360.81 is: 691,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,881 : 461,360.81 = 461,360.81 : x
  2. Step 2: Convert to fraction form
    307,881/461,360.81 = 461,360.81/x
  3. Step 3: Cross multiply
    307,881x = 461,360.81 × 461,360.81
  4. Step 4: Simplify right side
    307,881x = 212,853,799,310.66
  5. Step 5: Solve for x
    x = 212,853,799,310.66/307,881
  6. Step 6: Final answer
    x = 691,350.88

Related Problems

Find third proportional to 153,940.50 and 230,680.41
Half scale
Find third proportional to 615,762 and 922,721.63
Double scale
Find third proportional to 307,883 and 461,364
Similar ratio
Find third proportional to 461,821.50 and 692,041.22
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.