Home / 189,940-281,982

Finding the Third Proportional to 189,940 and 281,982

Calculator

Solution

The third proportional to 189,940 and 281,982 is: 418,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,940 : 281,982 = 281,982 : x
  2. Step 2: Convert to fraction form
    189,940/281,982 = 281,982/x
  3. Step 3: Cross multiply
    189,940x = 281,982 × 281,982
  4. Step 4: Simplify right side
    189,940x = 79,513,848,324
  5. Step 5: Solve for x
    x = 79,513,848,324/189,940
  6. Step 6: Final answer
    x = 418,626.14

Related Problems

Find third proportional to 94,970 and 140,991
Half scale
Find third proportional to 379,880 and 563,964
Double scale
Find third proportional to 189,942 and 281,985
Similar ratio
Find third proportional to 284,910 and 422,973
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.