Home / 69,028-97,880

Finding the Third Proportional to 69,028 and 97,880

Calculator

Solution

The third proportional to 69,028 and 97,880 is: 138,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,028 : 97,880 = 97,880 : x
  2. Step 2: Convert to fraction form
    69,028/97,880 = 97,880/x
  3. Step 3: Cross multiply
    69,028x = 97,880 × 97,880
  4. Step 4: Simplify right side
    69,028x = 9,580,494,400
  5. Step 5: Solve for x
    x = 9,580,494,400/69,028
  6. Step 6: Final answer
    x = 138,791.42

Related Problems

Find third proportional to 34,514 and 48,940
Half scale
Find third proportional to 138,056 and 195,760
Double scale
Find third proportional to 69,030 and 97,883
Similar ratio
Find third proportional to 103,542 and 146,820
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.