Home / 19,990-29,217

Finding the Third Proportional to 19,990 and 29,217

Calculator

Solution

The third proportional to 19,990 and 29,217 is: 42,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990 : 29,217 = 29,217 : x
  2. Step 2: Convert to fraction form
    19,990/29,217 = 29,217/x
  3. Step 3: Cross multiply
    19,990x = 29,217 × 29,217
  4. Step 4: Simplify right side
    19,990x = 853,633,089
  5. Step 5: Solve for x
    x = 853,633,089/19,990
  6. Step 6: Final answer
    x = 42,703.01

Related Problems

Find third proportional to 9,995 and 14,608.50
Half scale
Find third proportional to 39,980 and 58,434
Double scale
Find third proportional to 19,992 and 29,220
Similar ratio
Find third proportional to 29,985 and 43,825.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.