Home / 65,670-102,039

Finding the Third Proportional to 65,670 and 102,039

Calculator

Solution

The third proportional to 65,670 and 102,039 is: 158,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,670 : 102,039 = 102,039 : x
  2. Step 2: Convert to fraction form
    65,670/102,039 = 102,039/x
  3. Step 3: Cross multiply
    65,670x = 102,039 × 102,039
  4. Step 4: Simplify right side
    65,670x = 10,411,957,521
  5. Step 5: Solve for x
    x = 10,411,957,521/65,670
  6. Step 6: Final answer
    x = 158,549.68

Related Problems

Find third proportional to 32,835 and 51,019.50
Half scale
Find third proportional to 131,340 and 204,078
Double scale
Find third proportional to 65,672 and 102,042
Similar ratio
Find third proportional to 98,505 and 153,058.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.