Home / 121,575-195,336

Finding the Third Proportional to 121,575 and 195,336

Calculator

Solution

The third proportional to 121,575 and 195,336 is: 313,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,575 : 195,336 = 195,336 : x
  2. Step 2: Convert to fraction form
    121,575/195,336 = 195,336/x
  3. Step 3: Cross multiply
    121,575x = 195,336 × 195,336
  4. Step 4: Simplify right side
    121,575x = 38,156,152,896
  5. Step 5: Solve for x
    x = 38,156,152,896/121,575
  6. Step 6: Final answer
    x = 313,848.68

Related Problems

Find third proportional to 60,787.50 and 97,668
Half scale
Find third proportional to 243,150 and 390,672
Double scale
Find third proportional to 121,577 and 195,339
Similar ratio
Find third proportional to 182,362.50 and 293,004
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.