Home / 143,336-311,548

Finding the Third Proportional to 143,336 and 311,548

Calculator

Solution

The third proportional to 143,336 and 311,548 is: 677,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,336 : 311,548 = 311,548 : x
  2. Step 2: Convert to fraction form
    143,336/311,548 = 311,548/x
  3. Step 3: Cross multiply
    143,336x = 311,548 × 311,548
  4. Step 4: Simplify right side
    143,336x = 97,062,156,304
  5. Step 5: Solve for x
    x = 97,062,156,304/143,336
  6. Step 6: Final answer
    x = 677,165.24

Related Problems

Find third proportional to 71,668 and 155,774
Half scale
Find third proportional to 286,672 and 623,096
Double scale
Find third proportional to 143,338 and 311,552
Similar ratio
Find third proportional to 215,004 and 467,322
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.