Home / 77,965-171,273

Finding the Third Proportional to 77,965 and 171,273

Calculator

Solution

The third proportional to 77,965 and 171,273 is: 376,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,965 : 171,273 = 171,273 : x
  2. Step 2: Convert to fraction form
    77,965/171,273 = 171,273/x
  3. Step 3: Cross multiply
    77,965x = 171,273 × 171,273
  4. Step 4: Simplify right side
    77,965x = 29,334,440,529
  5. Step 5: Solve for x
    x = 29,334,440,529/77,965
  6. Step 6: Final answer
    x = 376,251.40

Related Problems

Find third proportional to 38,982.50 and 85,636.50
Half scale
Find third proportional to 155,930 and 342,546
Double scale
Find third proportional to 77,967 and 171,277
Similar ratio
Find third proportional to 116,947.50 and 256,909.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.