Home / 29,307-42,987

Finding the Third Proportional to 29,307 and 42,987

Calculator

Solution

The third proportional to 29,307 and 42,987 is: 63,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307 : 42,987 = 42,987 : x
  2. Step 2: Convert to fraction form
    29,307/42,987 = 42,987/x
  3. Step 3: Cross multiply
    29,307x = 42,987 × 42,987
  4. Step 4: Simplify right side
    29,307x = 1,847,882,169
  5. Step 5: Solve for x
    x = 1,847,882,169/29,307
  6. Step 6: Final answer
    x = 63,052.59

Related Problems

Find third proportional to 14,653.50 and 21,493.50
Half scale
Find third proportional to 58,614 and 85,974
Double scale
Find third proportional to 29,309 and 42,990
Similar ratio
Find third proportional to 43,960.50 and 64,480.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.