Home / 68,407-98,985

Finding the Third Proportional to 68,407 and 98,985

Calculator

Solution

The third proportional to 68,407 and 98,985 is: 143,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,407 : 98,985 = 98,985 : x
  2. Step 2: Convert to fraction form
    68,407/98,985 = 98,985/x
  3. Step 3: Cross multiply
    68,407x = 98,985 × 98,985
  4. Step 4: Simplify right side
    68,407x = 9,798,030,225
  5. Step 5: Solve for x
    x = 9,798,030,225/68,407
  6. Step 6: Final answer
    x = 143,231.40

Related Problems

Find third proportional to 34,203.50 and 49,492.50
Half scale
Find third proportional to 136,814 and 197,970
Double scale
Find third proportional to 68,409 and 98,988
Similar ratio
Find third proportional to 102,610.50 and 148,477.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.