Home / 425,964-646,722

Finding the Third Proportional to 425,964 and 646,722

Calculator

Solution

The third proportional to 425,964 and 646,722 is: 981,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,964 : 646,722 = 646,722 : x
  2. Step 2: Convert to fraction form
    425,964/646,722 = 646,722/x
  3. Step 3: Cross multiply
    425,964x = 646,722 × 646,722
  4. Step 4: Simplify right side
    425,964x = 418,249,345,284
  5. Step 5: Solve for x
    x = 418,249,345,284/425,964
  6. Step 6: Final answer
    x = 981,888.95

Related Problems

Find third proportional to 212,982 and 323,361
Half scale
Find third proportional to 851,928 and 1,293,444
Double scale
Find third proportional to 425,966 and 646,725
Similar ratio
Find third proportional to 638,946 and 970,083
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.