Home / 189,920-281,952

Finding the Third Proportional to 189,920 and 281,952

Calculator

Solution

The third proportional to 189,920 and 281,952 is: 418,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,920 : 281,952 = 281,952 : x
  2. Step 2: Convert to fraction form
    189,920/281,952 = 281,952/x
  3. Step 3: Cross multiply
    189,920x = 281,952 × 281,952
  4. Step 4: Simplify right side
    189,920x = 79,496,930,304
  5. Step 5: Solve for x
    x = 79,496,930,304/189,920
  6. Step 6: Final answer
    x = 418,581.14

Related Problems

Find third proportional to 94,960 and 140,976
Half scale
Find third proportional to 379,840 and 563,904
Double scale
Find third proportional to 189,922 and 281,955
Similar ratio
Find third proportional to 284,880 and 422,928
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.