Home / 69,030-151,236

Finding the Third Proportional to 69,030 and 151,236

Calculator

Solution

The third proportional to 69,030 and 151,236 is: 331,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,030 : 151,236 = 151,236 : x
  2. Step 2: Convert to fraction form
    69,030/151,236 = 151,236/x
  3. Step 3: Cross multiply
    69,030x = 151,236 × 151,236
  4. Step 4: Simplify right side
    69,030x = 22,872,327,696
  5. Step 5: Solve for x
    x = 22,872,327,696/69,030
  6. Step 6: Final answer
    x = 331,338.95

Related Problems

Find third proportional to 34,515 and 75,618
Half scale
Find third proportional to 138,060 and 302,472
Double scale
Find third proportional to 69,032 and 151,240
Similar ratio
Find third proportional to 103,545 and 226,854
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.