Home / 171,140-372,118

Finding the Third Proportional to 171,140 and 372,118

Calculator

Solution

The third proportional to 171,140 and 372,118 is: 809,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,140 : 372,118 = 372,118 : x
  2. Step 2: Convert to fraction form
    171,140/372,118 = 372,118/x
  3. Step 3: Cross multiply
    171,140x = 372,118 × 372,118
  4. Step 4: Simplify right side
    171,140x = 138,471,805,924
  5. Step 5: Solve for x
    x = 138,471,805,924/171,140
  6. Step 6: Final answer
    x = 809,114.21

Related Problems

Find third proportional to 85,570 and 186,059
Half scale
Find third proportional to 342,280 and 744,236
Double scale
Find third proportional to 171,142 and 372,122
Similar ratio
Find third proportional to 256,710 and 558,177
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.