Home / 2,978-6,892

Finding the Third Proportional to 2,978 and 6,892

Calculator

Solution

The third proportional to 2,978 and 6,892 is: 15,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978 : 6,892 = 6,892 : x
  2. Step 2: Convert to fraction form
    2,978/6,892 = 6,892/x
  3. Step 3: Cross multiply
    2,978x = 6,892 × 6,892
  4. Step 4: Simplify right side
    2,978x = 47,499,664
  5. Step 5: Solve for x
    x = 47,499,664/2,978
  6. Step 6: Final answer
    x = 15,950.19

Related Problems

Find third proportional to 1,489 and 3,446
Half scale
Find third proportional to 5,956 and 13,784
Double scale
Find third proportional to 2,980 and 6,897
Similar ratio
Find third proportional to 4,467 and 10,338
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.