Home / 80,480-127,408

Finding the Third Proportional to 80,480 and 127,408

Calculator

Solution

The third proportional to 80,480 and 127,408 is: 201,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,480 : 127,408 = 127,408 : x
  2. Step 2: Convert to fraction form
    80,480/127,408 = 127,408/x
  3. Step 3: Cross multiply
    80,480x = 127,408 × 127,408
  4. Step 4: Simplify right side
    80,480x = 16,232,798,464
  5. Step 5: Solve for x
    x = 16,232,798,464/80,480
  6. Step 6: Final answer
    x = 201,699.78

Related Problems

Find third proportional to 40,240 and 63,704
Half scale
Find third proportional to 160,960 and 254,816
Double scale
Find third proportional to 80,482 and 127,411
Similar ratio
Find third proportional to 120,720 and 191,112
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.