Home / 397,166-555,573

Finding the Third Proportional to 397,166 and 555,573

Calculator

Solution

The third proportional to 397,166 and 555,573 is: 777,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,166 : 555,573 = 555,573 : x
  2. Step 2: Convert to fraction form
    397,166/555,573 = 555,573/x
  3. Step 3: Cross multiply
    397,166x = 555,573 × 555,573
  4. Step 4: Simplify right side
    397,166x = 308,661,358,329
  5. Step 5: Solve for x
    x = 308,661,358,329/397,166
  6. Step 6: Final answer
    x = 777,159.57

Related Problems

Find third proportional to 198,583 and 277,786.50
Half scale
Find third proportional to 794,332 and 1,111,146
Double scale
Find third proportional to 397,168 and 555,576
Similar ratio
Find third proportional to 595,749 and 833,359.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.