Home / 129,070-276,822

Finding the Third Proportional to 129,070 and 276,822

Calculator

Solution

The third proportional to 129,070 and 276,822 is: 593,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,070 : 276,822 = 276,822 : x
  2. Step 2: Convert to fraction form
    129,070/276,822 = 276,822/x
  3. Step 3: Cross multiply
    129,070x = 276,822 × 276,822
  4. Step 4: Simplify right side
    129,070x = 76,630,419,684
  5. Step 5: Solve for x
    x = 76,630,419,684/129,070
  6. Step 6: Final answer
    x = 593,712.09

Related Problems

Find third proportional to 64,535 and 138,411
Half scale
Find third proportional to 258,140 and 553,644
Double scale
Find third proportional to 129,072 and 276,826
Similar ratio
Find third proportional to 193,605 and 415,233
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.