Home / 172,342-364,555

Finding the Third Proportional to 172,342 and 364,555

Calculator

Solution

The third proportional to 172,342 and 364,555 is: 771,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,342 : 364,555 = 364,555 : x
  2. Step 2: Convert to fraction form
    172,342/364,555 = 364,555/x
  3. Step 3: Cross multiply
    172,342x = 364,555 × 364,555
  4. Step 4: Simplify right side
    172,342x = 132,900,348,025
  5. Step 5: Solve for x
    x = 132,900,348,025/172,342
  6. Step 6: Final answer
    x = 771,143.12

Related Problems

Find third proportional to 86,171 and 182,277.50
Half scale
Find third proportional to 344,684 and 729,110
Double scale
Find third proportional to 172,344 and 364,559
Similar ratio
Find third proportional to 258,513 and 546,832.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.