Home / 120,458-187,360

Finding the Third Proportional to 120,458 and 187,360

Calculator

Solution

The third proportional to 120,458 and 187,360 is: 291,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,458 : 187,360 = 187,360 : x
  2. Step 2: Convert to fraction form
    120,458/187,360 = 187,360/x
  3. Step 3: Cross multiply
    120,458x = 187,360 × 187,360
  4. Step 4: Simplify right side
    120,458x = 35,103,769,600
  5. Step 5: Solve for x
    x = 35,103,769,600/120,458
  6. Step 6: Final answer
    x = 291,419.16

Related Problems

Find third proportional to 60,229 and 93,680
Half scale
Find third proportional to 240,916 and 374,720
Double scale
Find third proportional to 120,460 and 187,363
Similar ratio
Find third proportional to 180,687 and 281,040
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.