Home / 89,706-121,887

Finding the Third Proportional to 89,706 and 121,887

Calculator

Solution

The third proportional to 89,706 and 121,887 is: 165,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,706 : 121,887 = 121,887 : x
  2. Step 2: Convert to fraction form
    89,706/121,887 = 121,887/x
  3. Step 3: Cross multiply
    89,706x = 121,887 × 121,887
  4. Step 4: Simplify right side
    89,706x = 14,856,440,769
  5. Step 5: Solve for x
    x = 14,856,440,769/89,706
  6. Step 6: Final answer
    x = 165,612.57

Related Problems

Find third proportional to 44,853 and 60,943.50
Half scale
Find third proportional to 179,412 and 243,774
Double scale
Find third proportional to 89,708 and 121,890
Similar ratio
Find third proportional to 134,559 and 182,830.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.