Home / 29,340-64,311

Finding the Third Proportional to 29,340 and 64,311

Calculator

Solution

The third proportional to 29,340 and 64,311 is: 140,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,340 : 64,311 = 64,311 : x
  2. Step 2: Convert to fraction form
    29,340/64,311 = 64,311/x
  3. Step 3: Cross multiply
    29,340x = 64,311 × 64,311
  4. Step 4: Simplify right side
    29,340x = 4,135,904,721
  5. Step 5: Solve for x
    x = 4,135,904,721/29,340
  6. Step 6: Final answer
    x = 140,964.71

Related Problems

Find third proportional to 14,670 and 32,155.50
Half scale
Find third proportional to 58,680 and 128,622
Double scale
Find third proportional to 29,342 and 64,315
Similar ratio
Find third proportional to 44,010 and 96,466.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.