Home / 178,648-276,494

Finding the Third Proportional to 178,648 and 276,494

Calculator

Solution

The third proportional to 178,648 and 276,494 is: 427,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,648 : 276,494 = 276,494 : x
  2. Step 2: Convert to fraction form
    178,648/276,494 = 276,494/x
  3. Step 3: Cross multiply
    178,648x = 276,494 × 276,494
  4. Step 4: Simplify right side
    178,648x = 76,448,932,036
  5. Step 5: Solve for x
    x = 76,448,932,036/178,648
  6. Step 6: Final answer
    x = 427,930.52

Related Problems

Find third proportional to 89,324 and 138,247
Half scale
Find third proportional to 357,296 and 552,988
Double scale
Find third proportional to 178,650 and 276,497
Similar ratio
Find third proportional to 267,972 and 414,741
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.