Home / 6,421-8,673

Finding the Third Proportional to 6,421 and 8,673

Calculator

Solution

The third proportional to 6,421 and 8,673 is: 11,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421 : 8,673 = 8,673 : x
  2. Step 2: Convert to fraction form
    6,421/8,673 = 8,673/x
  3. Step 3: Cross multiply
    6,421x = 8,673 × 8,673
  4. Step 4: Simplify right side
    6,421x = 75,220,929
  5. Step 5: Solve for x
    x = 75,220,929/6,421
  6. Step 6: Final answer
    x = 11,714.83

Related Problems

Find third proportional to 3,210.50 and 4,336.50
Half scale
Find third proportional to 12,842 and 17,346
Double scale
Find third proportional to 6,423 and 8,676
Similar ratio
Find third proportional to 9,631.50 and 13,009.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.