Home / 57,291-84,180

Finding the Third Proportional to 57,291 and 84,180

Calculator

Solution

The third proportional to 57,291 and 84,180 is: 123,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291 : 84,180 = 84,180 : x
  2. Step 2: Convert to fraction form
    57,291/84,180 = 84,180/x
  3. Step 3: Cross multiply
    57,291x = 84,180 × 84,180
  4. Step 4: Simplify right side
    57,291x = 7,086,272,400
  5. Step 5: Solve for x
    x = 7,086,272,400/57,291
  6. Step 6: Final answer
    x = 123,689.10

Related Problems

Find third proportional to 28,645.50 and 42,090
Half scale
Find third proportional to 114,582 and 168,360
Double scale
Find third proportional to 57,293 and 84,183
Similar ratio
Find third proportional to 85,936.50 and 126,270
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.