Home / 338,808-715,196

Finding the Third Proportional to 338,808 and 715,196

Calculator

Solution

The third proportional to 338,808 and 715,196 is: 1,509,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,808 : 715,196 = 715,196 : x
  2. Step 2: Convert to fraction form
    338,808/715,196 = 715,196/x
  3. Step 3: Cross multiply
    338,808x = 715,196 × 715,196
  4. Step 4: Simplify right side
    338,808x = 511,505,318,416
  5. Step 5: Solve for x
    x = 511,505,318,416/338,808
  6. Step 6: Final answer
    x = 1,509,720.31

Related Problems

Find third proportional to 169,404 and 357,598
Half scale
Find third proportional to 677,616 and 1,430,392
Double scale
Find third proportional to 338,810 and 715,200
Similar ratio
Find third proportional to 508,212 and 1,072,794
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.