Home / 270,911.50-429,331

Finding the Third Proportional to 270,911.50 and 429,331

Calculator

Solution

The third proportional to 270,911.50 and 429,331 is: 680,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,911.50 : 429,331 = 429,331 : x
  2. Step 2: Convert to fraction form
    270,911.50/429,331 = 429,331/x
  3. Step 3: Cross multiply
    270,911.50x = 429,331 × 429,331
  4. Step 4: Simplify right side
    270,911.50x = 184,325,107,561
  5. Step 5: Solve for x
    x = 184,325,107,561/270,911.50
  6. Step 6: Final answer
    x = 680,388.64

Related Problems

Find third proportional to 135,455.75 and 214,665.50
Half scale
Find third proportional to 541,823 and 858,662
Double scale
Find third proportional to 270,914 and 429,334
Similar ratio
Find third proportional to 406,367.25 and 643,996.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.