Home / 74,736-161,280

Finding the Third Proportional to 74,736 and 161,280

Calculator

Solution

The third proportional to 74,736 and 161,280 is: 348,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,736 : 161,280 = 161,280 : x
  2. Step 2: Convert to fraction form
    74,736/161,280 = 161,280/x
  3. Step 3: Cross multiply
    74,736x = 161,280 × 161,280
  4. Step 4: Simplify right side
    74,736x = 26,011,238,400
  5. Step 5: Solve for x
    x = 26,011,238,400/74,736
  6. Step 6: Final answer
    x = 348,041.62

Related Problems

Find third proportional to 37,368 and 80,640
Half scale
Find third proportional to 149,472 and 322,560
Double scale
Find third proportional to 74,738 and 161,284
Similar ratio
Find third proportional to 112,104 and 241,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.