Home / 310,136-491,896

Finding the Third Proportional to 310,136 and 491,896

Calculator

Solution

The third proportional to 310,136 and 491,896 is: 780,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,136 : 491,896 = 491,896 : x
  2. Step 2: Convert to fraction form
    310,136/491,896 = 491,896/x
  3. Step 3: Cross multiply
    310,136x = 491,896 × 491,896
  4. Step 4: Simplify right side
    310,136x = 241,961,674,816
  5. Step 5: Solve for x
    x = 241,961,674,816/310,136
  6. Step 6: Final answer
    x = 780,179.26

Related Problems

Find third proportional to 155,068 and 245,948
Half scale
Find third proportional to 620,272 and 983,792
Double scale
Find third proportional to 310,138 and 491,899
Similar ratio
Find third proportional to 465,204 and 737,844
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.