Home / 359,630-540,368

Finding the Third Proportional to 359,630 and 540,368

Calculator

Solution

The third proportional to 359,630 and 540,368 is: 811,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,630 : 540,368 = 540,368 : x
  2. Step 2: Convert to fraction form
    359,630/540,368 = 540,368/x
  3. Step 3: Cross multiply
    359,630x = 540,368 × 540,368
  4. Step 4: Simplify right side
    359,630x = 291,997,575,424
  5. Step 5: Solve for x
    x = 291,997,575,424/359,630
  6. Step 6: Final answer
    x = 811,938.87

Related Problems

Find third proportional to 179,815 and 270,184
Half scale
Find third proportional to 719,260 and 1,080,736
Double scale
Find third proportional to 359,632 and 540,371
Similar ratio
Find third proportional to 539,445 and 810,552
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.