Home / 84,570-126,653

Finding the Third Proportional to 84,570 and 126,653

Calculator

Solution

The third proportional to 84,570 and 126,653 is: 189,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,570 : 126,653 = 126,653 : x
  2. Step 2: Convert to fraction form
    84,570/126,653 = 126,653/x
  3. Step 3: Cross multiply
    84,570x = 126,653 × 126,653
  4. Step 4: Simplify right side
    84,570x = 16,040,982,409
  5. Step 5: Solve for x
    x = 16,040,982,409/84,570
  6. Step 6: Final answer
    x = 189,676.98

Related Problems

Find third proportional to 42,285 and 63,326.50
Half scale
Find third proportional to 169,140 and 253,306
Double scale
Find third proportional to 84,572 and 126,656
Similar ratio
Find third proportional to 126,855 and 189,979.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.