Home / 128,848-204,984

Finding the Third Proportional to 128,848 and 204,984

Calculator

Solution

The third proportional to 128,848 and 204,984 is: 326,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,848 : 204,984 = 204,984 : x
  2. Step 2: Convert to fraction form
    128,848/204,984 = 204,984/x
  3. Step 3: Cross multiply
    128,848x = 204,984 × 204,984
  4. Step 4: Simplify right side
    128,848x = 42,018,440,256
  5. Step 5: Solve for x
    x = 42,018,440,256/128,848
  6. Step 6: Final answer
    x = 326,108.60

Related Problems

Find third proportional to 64,424 and 102,492
Half scale
Find third proportional to 257,696 and 409,968
Double scale
Find third proportional to 128,850 and 204,987
Similar ratio
Find third proportional to 193,272 and 307,476
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.