Home / 55,192-87,432

Finding the Third Proportional to 55,192 and 87,432

Calculator

Solution

The third proportional to 55,192 and 87,432 is: 138,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192 : 87,432 = 87,432 : x
  2. Step 2: Convert to fraction form
    55,192/87,432 = 87,432/x
  3. Step 3: Cross multiply
    55,192x = 87,432 × 87,432
  4. Step 4: Simplify right side
    55,192x = 7,644,354,624
  5. Step 5: Solve for x
    x = 7,644,354,624/55,192
  6. Step 6: Final answer
    x = 138,504.76

Related Problems

Find third proportional to 27,596 and 43,716
Half scale
Find third proportional to 110,384 and 174,864
Double scale
Find third proportional to 55,194 and 87,435
Similar ratio
Find third proportional to 82,788 and 131,148
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.