Home / 74,684-156,293

Finding the Third Proportional to 74,684 and 156,293

Calculator

Solution

The third proportional to 74,684 and 156,293 is: 327,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,684 : 156,293 = 156,293 : x
  2. Step 2: Convert to fraction form
    74,684/156,293 = 156,293/x
  3. Step 3: Cross multiply
    74,684x = 156,293 × 156,293
  4. Step 4: Simplify right side
    74,684x = 24,427,501,849
  5. Step 5: Solve for x
    x = 24,427,501,849/74,684
  6. Step 6: Final answer
    x = 327,078.11

Related Problems

Find third proportional to 37,342 and 78,146.50
Half scale
Find third proportional to 149,368 and 312,586
Double scale
Find third proportional to 74,686 and 156,297
Similar ratio
Find third proportional to 112,026 and 234,439.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.