Home / 359,276-499,539

Finding the Third Proportional to 359,276 and 499,539

Calculator

Solution

The third proportional to 359,276 and 499,539 is: 694,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,276 : 499,539 = 499,539 : x
  2. Step 2: Convert to fraction form
    359,276/499,539 = 499,539/x
  3. Step 3: Cross multiply
    359,276x = 499,539 × 499,539
  4. Step 4: Simplify right side
    359,276x = 249,539,212,521
  5. Step 5: Solve for x
    x = 249,539,212,521/359,276
  6. Step 6: Final answer
    x = 694,561.32

Related Problems

Find third proportional to 179,638 and 249,769.50
Half scale
Find third proportional to 718,552 and 999,078
Double scale
Find third proportional to 359,278 and 499,542
Similar ratio
Find third proportional to 538,914 and 749,308.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.