Home / 328,634-672,844

Finding the Third Proportional to 328,634 and 672,844

Calculator

Solution

The third proportional to 328,634 and 672,844 is: 1,377,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,634 : 672,844 = 672,844 : x
  2. Step 2: Convert to fraction form
    328,634/672,844 = 672,844/x
  3. Step 3: Cross multiply
    328,634x = 672,844 × 672,844
  4. Step 4: Simplify right side
    328,634x = 452,719,048,336
  5. Step 5: Solve for x
    x = 452,719,048,336/328,634
  6. Step 6: Final answer
    x = 1,377,578.24

Related Problems

Find third proportional to 164,317 and 336,422
Half scale
Find third proportional to 657,268 and 1,345,688
Double scale
Find third proportional to 328,636 and 672,848
Similar ratio
Find third proportional to 492,951 and 1,009,266
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.