Home / 170,270-358,185

Finding the Third Proportional to 170,270 and 358,185

Calculator

Solution

The third proportional to 170,270 and 358,185 is: 753,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,270 : 358,185 = 358,185 : x
  2. Step 2: Convert to fraction form
    170,270/358,185 = 358,185/x
  3. Step 3: Cross multiply
    170,270x = 358,185 × 358,185
  4. Step 4: Simplify right side
    170,270x = 128,296,494,225
  5. Step 5: Solve for x
    x = 128,296,494,225/170,270
  6. Step 6: Final answer
    x = 753,488.54

Related Problems

Find third proportional to 85,135 and 179,092.50
Half scale
Find third proportional to 340,540 and 716,370
Double scale
Find third proportional to 170,272 and 358,189
Similar ratio
Find third proportional to 255,405 and 537,277.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.