Home / 445,993-679,446

Finding the Third Proportional to 445,993 and 679,446

Calculator

Solution

The third proportional to 445,993 and 679,446 is: 1,035,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,993 : 679,446 = 679,446 : x
  2. Step 2: Convert to fraction form
    445,993/679,446 = 679,446/x
  3. Step 3: Cross multiply
    445,993x = 679,446 × 679,446
  4. Step 4: Simplify right side
    445,993x = 461,646,866,916
  5. Step 5: Solve for x
    x = 461,646,866,916/445,993
  6. Step 6: Final answer
    x = 1,035,098.91

Related Problems

Find third proportional to 222,996.50 and 339,723
Half scale
Find third proportional to 891,986 and 1,358,892
Double scale
Find third proportional to 445,995 and 679,449
Similar ratio
Find third proportional to 668,989.50 and 1,019,169
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.