Home / 271,498-561,620

Finding the Third Proportional to 271,498 and 561,620

Calculator

Solution

The third proportional to 271,498 and 561,620 is: 1,161,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,498 : 561,620 = 561,620 : x
  2. Step 2: Convert to fraction form
    271,498/561,620 = 561,620/x
  3. Step 3: Cross multiply
    271,498x = 561,620 × 561,620
  4. Step 4: Simplify right side
    271,498x = 315,417,024,400
  5. Step 5: Solve for x
    x = 315,417,024,400/271,498
  6. Step 6: Final answer
    x = 1,161,765.55

Related Problems

Find third proportional to 135,749 and 280,810
Half scale
Find third proportional to 542,996 and 1,123,240
Double scale
Find third proportional to 271,500 and 561,624
Similar ratio
Find third proportional to 407,247 and 842,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.