Home / 219,799-342,539

Finding the Third Proportional to 219,799 and 342,539

Calculator

Solution

The third proportional to 219,799 and 342,539 is: 533,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,799 : 342,539 = 342,539 : x
  2. Step 2: Convert to fraction form
    219,799/342,539 = 342,539/x
  3. Step 3: Cross multiply
    219,799x = 342,539 × 342,539
  4. Step 4: Simplify right side
    219,799x = 117,332,966,521
  5. Step 5: Solve for x
    x = 117,332,966,521/219,799
  6. Step 6: Final answer
    x = 533,819.38

Related Problems

Find third proportional to 109,899.50 and 171,269.50
Half scale
Find third proportional to 439,598 and 685,078
Double scale
Find third proportional to 219,801 and 342,542
Similar ratio
Find third proportional to 329,698.50 and 513,808.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.