Home / 120,511-254,566

Finding the Third Proportional to 120,511 and 254,566

Calculator

Solution

The third proportional to 120,511 and 254,566 is: 537,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,511 : 254,566 = 254,566 : x
  2. Step 2: Convert to fraction form
    120,511/254,566 = 254,566/x
  3. Step 3: Cross multiply
    120,511x = 254,566 × 254,566
  4. Step 4: Simplify right side
    120,511x = 64,803,848,356
  5. Step 5: Solve for x
    x = 64,803,848,356/120,511
  6. Step 6: Final answer
    x = 537,742.18

Related Problems

Find third proportional to 60,255.50 and 127,283
Half scale
Find third proportional to 241,022 and 509,132
Double scale
Find third proportional to 120,513 and 254,570
Similar ratio
Find third proportional to 180,766.50 and 381,849
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.