Home / 198,072-423,792

Finding the Third Proportional to 198,072 and 423,792

Calculator

Solution

The third proportional to 198,072 and 423,792 is: 906,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,072 : 423,792 = 423,792 : x
  2. Step 2: Convert to fraction form
    198,072/423,792 = 423,792/x
  3. Step 3: Cross multiply
    198,072x = 423,792 × 423,792
  4. Step 4: Simplify right side
    198,072x = 179,599,659,264
  5. Step 5: Solve for x
    x = 179,599,659,264/198,072
  6. Step 6: Final answer
    x = 906,739.26

Related Problems

Find third proportional to 99,036 and 211,896
Half scale
Find third proportional to 396,144 and 847,584
Double scale
Find third proportional to 198,074 and 423,796
Similar ratio
Find third proportional to 297,108 and 635,688
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.