Home / 81,713-171,688

Finding the Third Proportional to 81,713 and 171,688

Calculator

Solution

The third proportional to 81,713 and 171,688 is: 360,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,713 : 171,688 = 171,688 : x
  2. Step 2: Convert to fraction form
    81,713/171,688 = 171,688/x
  3. Step 3: Cross multiply
    81,713x = 171,688 × 171,688
  4. Step 4: Simplify right side
    81,713x = 29,476,769,344
  5. Step 5: Solve for x
    x = 29,476,769,344/81,713
  6. Step 6: Final answer
    x = 360,735.37

Related Problems

Find third proportional to 40,856.50 and 85,844
Half scale
Find third proportional to 163,426 and 343,376
Double scale
Find third proportional to 81,715 and 171,692
Similar ratio
Find third proportional to 122,569.50 and 257,532
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.