Home / 81,772-168,768

Finding the Third Proportional to 81,772 and 168,768

Calculator

Solution

The third proportional to 81,772 and 168,768 is: 348,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,772 : 168,768 = 168,768 : x
  2. Step 2: Convert to fraction form
    81,772/168,768 = 168,768/x
  3. Step 3: Cross multiply
    81,772x = 168,768 × 168,768
  4. Step 4: Simplify right side
    81,772x = 28,482,637,824
  5. Step 5: Solve for x
    x = 28,482,637,824/81,772
  6. Step 6: Final answer
    x = 348,317.73

Related Problems

Find third proportional to 40,886 and 84,384
Half scale
Find third proportional to 163,544 and 337,536
Double scale
Find third proportional to 81,774 and 168,772
Similar ratio
Find third proportional to 122,658 and 253,152
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.