Home / 27,358-42,855

Finding the Third Proportional to 27,358 and 42,855

Calculator

Solution

The third proportional to 27,358 and 42,855 is: 67,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358 : 42,855 = 42,855 : x
  2. Step 2: Convert to fraction form
    27,358/42,855 = 42,855/x
  3. Step 3: Cross multiply
    27,358x = 42,855 × 42,855
  4. Step 4: Simplify right side
    27,358x = 1,836,551,025
  5. Step 5: Solve for x
    x = 1,836,551,025/27,358
  6. Step 6: Final answer
    x = 67,130.31

Related Problems

Find third proportional to 13,679 and 21,427.50
Half scale
Find third proportional to 54,716 and 85,710
Double scale
Find third proportional to 27,360 and 42,858
Similar ratio
Find third proportional to 41,037 and 64,282.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.