Home / 103,291-218,984

Finding the Third Proportional to 103,291 and 218,984

Calculator

Solution

The third proportional to 103,291 and 218,984 is: 464,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,291 : 218,984 = 218,984 : x
  2. Step 2: Convert to fraction form
    103,291/218,984 = 218,984/x
  3. Step 3: Cross multiply
    103,291x = 218,984 × 218,984
  4. Step 4: Simplify right side
    103,291x = 47,953,992,256
  5. Step 5: Solve for x
    x = 47,953,992,256/103,291
  6. Step 6: Final answer
    x = 464,261.09

Related Problems

Find third proportional to 51,645.50 and 109,492
Half scale
Find third proportional to 206,582 and 437,968
Double scale
Find third proportional to 103,293 and 218,988
Similar ratio
Find third proportional to 154,936.50 and 328,476
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.