Home / 270,886-402,430

Finding the Third Proportional to 270,886 and 402,430

Calculator

Solution

The third proportional to 270,886 and 402,430 is: 597,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,886 : 402,430 = 402,430 : x
  2. Step 2: Convert to fraction form
    270,886/402,430 = 402,430/x
  3. Step 3: Cross multiply
    270,886x = 402,430 × 402,430
  4. Step 4: Simplify right side
    270,886x = 161,949,904,900
  5. Step 5: Solve for x
    x = 161,949,904,900/270,886
  6. Step 6: Final answer
    x = 597,852.62

Related Problems

Find third proportional to 135,443 and 201,215
Half scale
Find third proportional to 541,772 and 804,860
Double scale
Find third proportional to 270,888 and 402,433
Similar ratio
Find third proportional to 406,329 and 603,645
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.