Home / 283,842-439,488

Finding the Third Proportional to 283,842 and 439,488

Calculator

Solution

The third proportional to 283,842 and 439,488 is: 680,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,842 : 439,488 = 439,488 : x
  2. Step 2: Convert to fraction form
    283,842/439,488 = 439,488/x
  3. Step 3: Cross multiply
    283,842x = 439,488 × 439,488
  4. Step 4: Simplify right side
    283,842x = 193,149,702,144
  5. Step 5: Solve for x
    x = 193,149,702,144/283,842
  6. Step 6: Final answer
    x = 680,483.16

Related Problems

Find third proportional to 141,921 and 219,744
Half scale
Find third proportional to 567,684 and 878,976
Double scale
Find third proportional to 283,844 and 439,491
Similar ratio
Find third proportional to 425,763 and 659,232
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.