Home / 120,582-177,390

Finding the Third Proportional to 120,582 and 177,390

Calculator

Solution

The third proportional to 120,582 and 177,390 is: 260,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,582 : 177,390 = 177,390 : x
  2. Step 2: Convert to fraction form
    120,582/177,390 = 177,390/x
  3. Step 3: Cross multiply
    120,582x = 177,390 × 177,390
  4. Step 4: Simplify right side
    120,582x = 31,467,212,100
  5. Step 5: Solve for x
    x = 31,467,212,100/120,582
  6. Step 6: Final answer
    x = 260,961.11

Related Problems

Find third proportional to 60,291 and 88,695
Half scale
Find third proportional to 241,164 and 354,780
Double scale
Find third proportional to 120,584 and 177,393
Similar ratio
Find third proportional to 180,873 and 266,085
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.