Home / 74,288-162,128

Finding the Third Proportional to 74,288 and 162,128

Calculator

Solution

The third proportional to 74,288 and 162,128 is: 353,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,288 : 162,128 = 162,128 : x
  2. Step 2: Convert to fraction form
    74,288/162,128 = 162,128/x
  3. Step 3: Cross multiply
    74,288x = 162,128 × 162,128
  4. Step 4: Simplify right side
    74,288x = 26,285,488,384
  5. Step 5: Solve for x
    x = 26,285,488,384/74,288
  6. Step 6: Final answer
    x = 353,832.23

Related Problems

Find third proportional to 37,144 and 81,064
Half scale
Find third proportional to 148,576 and 324,256
Double scale
Find third proportional to 74,290 and 162,132
Similar ratio
Find third proportional to 111,432 and 243,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.