Home / 20,842-29,783

Finding the Third Proportional to 20,842 and 29,783

Calculator

Solution

The third proportional to 20,842 and 29,783 is: 42,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,842 : 29,783 = 29,783 : x
  2. Step 2: Convert to fraction form
    20,842/29,783 = 29,783/x
  3. Step 3: Cross multiply
    20,842x = 29,783 × 29,783
  4. Step 4: Simplify right side
    20,842x = 887,027,089
  5. Step 5: Solve for x
    x = 887,027,089/20,842
  6. Step 6: Final answer
    x = 42,559.60

Related Problems

Find third proportional to 10,421 and 14,891.50
Half scale
Find third proportional to 41,684 and 59,566
Double scale
Find third proportional to 20,844 and 29,786
Similar ratio
Find third proportional to 31,263 and 44,674.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.