Home / 34,682-77,128

Finding the Third Proportional to 34,682 and 77,128

Calculator

Solution

The third proportional to 34,682 and 77,128 is: 171,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,682 : 77,128 = 77,128 : x
  2. Step 2: Convert to fraction form
    34,682/77,128 = 77,128/x
  3. Step 3: Cross multiply
    34,682x = 77,128 × 77,128
  4. Step 4: Simplify right side
    34,682x = 5,948,728,384
  5. Step 5: Solve for x
    x = 5,948,728,384/34,682
  6. Step 6: Final answer
    x = 171,522.07

Related Problems

Find third proportional to 17,341 and 38,564
Half scale
Find third proportional to 69,364 and 154,256
Double scale
Find third proportional to 34,684 and 77,132
Similar ratio
Find third proportional to 52,023 and 115,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.