Home / 92,718-139,509

Finding the Third Proportional to 92,718 and 139,509

Calculator

Solution

The third proportional to 92,718 and 139,509 is: 209,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,718 : 139,509 = 139,509 : x
  2. Step 2: Convert to fraction form
    92,718/139,509 = 139,509/x
  3. Step 3: Cross multiply
    92,718x = 139,509 × 139,509
  4. Step 4: Simplify right side
    92,718x = 19,462,761,081
  5. Step 5: Solve for x
    x = 19,462,761,081/92,718
  6. Step 6: Final answer
    x = 209,913.51

Related Problems

Find third proportional to 46,359 and 69,754.50
Half scale
Find third proportional to 185,436 and 279,018
Double scale
Find third proportional to 92,720 and 139,512
Similar ratio
Find third proportional to 139,077 and 209,263.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.