Home / 42,249-79,175

Finding the Third Proportional to 42,249 and 79,175

Calculator

Solution

The third proportional to 42,249 and 79,175 is: 148,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,249 : 79,175 = 79,175 : x
  2. Step 2: Convert to fraction form
    42,249/79,175 = 79,175/x
  3. Step 3: Cross multiply
    42,249x = 79,175 × 79,175
  4. Step 4: Simplify right side
    42,249x = 6,268,680,625
  5. Step 5: Solve for x
    x = 6,268,680,625/42,249
  6. Step 6: Final answer
    x = 148,374.65

Related Problems

Find third proportional to 21,124.50 and 39,587.50
Half scale
Find third proportional to 84,498 and 158,350
Double scale
Find third proportional to 42,251 and 79,179
Similar ratio
Find third proportional to 63,373.50 and 118,762.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.