Home / 85,718-191,308

Finding the Third Proportional to 85,718 and 191,308

Calculator

Solution

The third proportional to 85,718 and 191,308 is: 426,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,718 : 191,308 = 191,308 : x
  2. Step 2: Convert to fraction form
    85,718/191,308 = 191,308/x
  3. Step 3: Cross multiply
    85,718x = 191,308 × 191,308
  4. Step 4: Simplify right side
    85,718x = 36,598,750,864
  5. Step 5: Solve for x
    x = 36,598,750,864/85,718
  6. Step 6: Final answer
    x = 426,966.92

Related Problems

Find third proportional to 42,859 and 95,654
Half scale
Find third proportional to 171,436 and 382,616
Double scale
Find third proportional to 85,720 and 191,312
Similar ratio
Find third proportional to 128,577 and 286,962
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.