Home / 317,730-699,912

Finding the Third Proportional to 317,730 and 699,912

Calculator

Solution

The third proportional to 317,730 and 699,912 is: 1,541,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,730 : 699,912 = 699,912 : x
  2. Step 2: Convert to fraction form
    317,730/699,912 = 699,912/x
  3. Step 3: Cross multiply
    317,730x = 699,912 × 699,912
  4. Step 4: Simplify right side
    317,730x = 489,876,807,744
  5. Step 5: Solve for x
    x = 489,876,807,744/317,730
  6. Step 6: Final answer
    x = 1,541,802.18

Related Problems

Find third proportional to 158,865 and 349,956
Half scale
Find third proportional to 635,460 and 1,399,824
Double scale
Find third proportional to 317,732 and 699,916
Similar ratio
Find third proportional to 476,595 and 1,049,868
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.