Home / 189,672-285,012

Finding the Third Proportional to 189,672 and 285,012

Calculator

Solution

The third proportional to 189,672 and 285,012 is: 428,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,672 : 285,012 = 285,012 : x
  2. Step 2: Convert to fraction form
    189,672/285,012 = 285,012/x
  3. Step 3: Cross multiply
    189,672x = 285,012 × 285,012
  4. Step 4: Simplify right side
    189,672x = 81,231,840,144
  5. Step 5: Solve for x
    x = 81,231,840,144/189,672
  6. Step 6: Final answer
    x = 428,275.34

Related Problems

Find third proportional to 94,836 and 142,506
Half scale
Find third proportional to 379,344 and 570,024
Double scale
Find third proportional to 189,674 and 285,015
Similar ratio
Find third proportional to 284,508 and 427,518
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.