Home / 171,961-278,580

Finding the Third Proportional to 171,961 and 278,580

Calculator

Solution

The third proportional to 171,961 and 278,580 is: 451,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,961 : 278,580 = 278,580 : x
  2. Step 2: Convert to fraction form
    171,961/278,580 = 278,580/x
  3. Step 3: Cross multiply
    171,961x = 278,580 × 278,580
  4. Step 4: Simplify right side
    171,961x = 77,606,816,400
  5. Step 5: Solve for x
    x = 77,606,816,400/171,961
  6. Step 6: Final answer
    x = 451,304.75

Related Problems

Find third proportional to 85,980.50 and 139,290
Half scale
Find third proportional to 343,922 and 557,160
Double scale
Find third proportional to 171,963 and 278,583
Similar ratio
Find third proportional to 257,941.50 and 417,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.