Home / 129,104-281,572

Finding the Third Proportional to 129,104 and 281,572

Calculator

Solution

The third proportional to 129,104 and 281,572 is: 614,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,104 : 281,572 = 281,572 : x
  2. Step 2: Convert to fraction form
    129,104/281,572 = 281,572/x
  3. Step 3: Cross multiply
    129,104x = 281,572 × 281,572
  4. Step 4: Simplify right side
    129,104x = 79,282,791,184
  5. Step 5: Solve for x
    x = 79,282,791,184/129,104
  6. Step 6: Final answer
    x = 614,100.19

Related Problems

Find third proportional to 64,552 and 140,786
Half scale
Find third proportional to 258,208 and 563,144
Double scale
Find third proportional to 129,106 and 281,576
Similar ratio
Find third proportional to 193,656 and 422,358
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.