Home / 69,379-150,423

Finding the Third Proportional to 69,379 and 150,423

Calculator

Solution

The third proportional to 69,379 and 150,423 is: 326,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,379 : 150,423 = 150,423 : x
  2. Step 2: Convert to fraction form
    69,379/150,423 = 150,423/x
  3. Step 3: Cross multiply
    69,379x = 150,423 × 150,423
  4. Step 4: Simplify right side
    69,379x = 22,627,078,929
  5. Step 5: Solve for x
    x = 22,627,078,929/69,379
  6. Step 6: Final answer
    x = 326,137.29

Related Problems

Find third proportional to 34,689.50 and 75,211.50
Half scale
Find third proportional to 138,758 and 300,846
Double scale
Find third proportional to 69,381 and 150,427
Similar ratio
Find third proportional to 104,068.50 and 225,634.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.