Home / 67,987-147,273

Finding the Third Proportional to 67,987 and 147,273

Calculator

Solution

The third proportional to 67,987 and 147,273 is: 319,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,987 : 147,273 = 147,273 : x
  2. Step 2: Convert to fraction form
    67,987/147,273 = 147,273/x
  3. Step 3: Cross multiply
    67,987x = 147,273 × 147,273
  4. Step 4: Simplify right side
    67,987x = 21,689,336,529
  5. Step 5: Solve for x
    x = 21,689,336,529/67,987
  6. Step 6: Final answer
    x = 319,021.82

Related Problems

Find third proportional to 33,993.50 and 73,636.50
Half scale
Find third proportional to 135,974 and 294,546
Double scale
Find third proportional to 67,989 and 147,277
Similar ratio
Find third proportional to 101,980.50 and 220,909.50
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.