Home / 43,346-68,778

Finding the Third Proportional to 43,346 and 68,778

Calculator

Solution

The third proportional to 43,346 and 68,778 is: 109,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,346 : 68,778 = 68,778 : x
  2. Step 2: Convert to fraction form
    43,346/68,778 = 68,778/x
  3. Step 3: Cross multiply
    43,346x = 68,778 × 68,778
  4. Step 4: Simplify right side
    43,346x = 4,730,413,284
  5. Step 5: Solve for x
    x = 4,730,413,284/43,346
  6. Step 6: Final answer
    x = 109,131.48

Related Problems

Find third proportional to 21,673 and 34,389
Half scale
Find third proportional to 86,692 and 137,556
Double scale
Find third proportional to 43,348 and 68,781
Similar ratio
Find third proportional to 65,019 and 103,167
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.