Home / 189,702-285,804

Finding the Third Proportional to 189,702 and 285,804

Calculator

Solution

The third proportional to 189,702 and 285,804 is: 430,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,702 : 285,804 = 285,804 : x
  2. Step 2: Convert to fraction form
    189,702/285,804 = 285,804/x
  3. Step 3: Cross multiply
    189,702x = 285,804 × 285,804
  4. Step 4: Simplify right side
    189,702x = 81,683,926,416
  5. Step 5: Solve for x
    x = 81,683,926,416/189,702
  6. Step 6: Final answer
    x = 430,590.75

Related Problems

Find third proportional to 94,851 and 142,902
Half scale
Find third proportional to 379,404 and 571,608
Double scale
Find third proportional to 189,704 and 285,807
Similar ratio
Find third proportional to 284,553 and 428,706
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.