Home / 386,502-556,684

Finding the Third Proportional to 386,502 and 556,684

Calculator

Solution

The third proportional to 386,502 and 556,684 is: 801,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,502 : 556,684 = 556,684 : x
  2. Step 2: Convert to fraction form
    386,502/556,684 = 556,684/x
  3. Step 3: Cross multiply
    386,502x = 556,684 × 556,684
  4. Step 4: Simplify right side
    386,502x = 309,897,075,856
  5. Step 5: Solve for x
    x = 309,897,075,856/386,502
  6. Step 6: Final answer
    x = 801,799.41

Related Problems

Find third proportional to 193,251 and 278,342
Half scale
Find third proportional to 773,004 and 1,113,368
Double scale
Find third proportional to 386,504 and 556,687
Similar ratio
Find third proportional to 579,753 and 835,026
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.