Home / 126,870-276,342

Finding the Third Proportional to 126,870 and 276,342

Calculator

Solution

The third proportional to 126,870 and 276,342 is: 601,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,870 : 276,342 = 276,342 : x
  2. Step 2: Convert to fraction form
    126,870/276,342 = 276,342/x
  3. Step 3: Cross multiply
    126,870x = 276,342 × 276,342
  4. Step 4: Simplify right side
    126,870x = 76,364,900,964
  5. Step 5: Solve for x
    x = 76,364,900,964/126,870
  6. Step 6: Final answer
    x = 601,914.57

Related Problems

Find third proportional to 63,435 and 138,171
Half scale
Find third proportional to 253,740 and 552,684
Double scale
Find third proportional to 126,872 and 276,346
Similar ratio
Find third proportional to 190,305 and 414,513
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.