Home / 66,992-90,982

Finding the Third Proportional to 66,992 and 90,982

Calculator

Solution

The third proportional to 66,992 and 90,982 is: 123,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,992 : 90,982 = 90,982 : x
  2. Step 2: Convert to fraction form
    66,992/90,982 = 90,982/x
  3. Step 3: Cross multiply
    66,992x = 90,982 × 90,982
  4. Step 4: Simplify right side
    66,992x = 8,277,724,324
  5. Step 5: Solve for x
    x = 8,277,724,324/66,992
  6. Step 6: Final answer
    x = 123,562.88

Related Problems

Find third proportional to 33,496 and 45,491
Half scale
Find third proportional to 133,984 and 181,964
Double scale
Find third proportional to 66,994 and 90,985
Similar ratio
Find third proportional to 100,488 and 136,473
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.