Home / 145,694-311,646

Finding the Third Proportional to 145,694 and 311,646

Calculator

Solution

The third proportional to 145,694 and 311,646 is: 666,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,694 : 311,646 = 311,646 : x
  2. Step 2: Convert to fraction form
    145,694/311,646 = 311,646/x
  3. Step 3: Cross multiply
    145,694x = 311,646 × 311,646
  4. Step 4: Simplify right side
    145,694x = 97,123,229,316
  5. Step 5: Solve for x
    x = 97,123,229,316/145,694
  6. Step 6: Final answer
    x = 666,624.77

Related Problems

Find third proportional to 72,847 and 155,823
Half scale
Find third proportional to 291,388 and 623,292
Double scale
Find third proportional to 145,696 and 311,650
Similar ratio
Find third proportional to 218,541 and 467,469
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.