Home / 178,974-392,393

Finding the Third Proportional to 178,974 and 392,393

Calculator

Solution

The third proportional to 178,974 and 392,393 is: 860,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,974 : 392,393 = 392,393 : x
  2. Step 2: Convert to fraction form
    178,974/392,393 = 392,393/x
  3. Step 3: Cross multiply
    178,974x = 392,393 × 392,393
  4. Step 4: Simplify right side
    178,974x = 153,972,266,449
  5. Step 5: Solve for x
    x = 153,972,266,449/178,974
  6. Step 6: Final answer
    x = 860,305.22

Related Problems

Find third proportional to 89,487 and 196,196.50
Half scale
Find third proportional to 357,948 and 784,786
Double scale
Find third proportional to 178,976 and 392,397
Similar ratio
Find third proportional to 268,461 and 588,589.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.