Home / 53,160-79,980

Finding the Third Proportional to 53,160 and 79,980

Calculator

Solution

The third proportional to 53,160 and 79,980 is: 120,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160 : 79,980 = 79,980 : x
  2. Step 2: Convert to fraction form
    53,160/79,980 = 79,980/x
  3. Step 3: Cross multiply
    53,160x = 79,980 × 79,980
  4. Step 4: Simplify right side
    53,160x = 6,396,800,400
  5. Step 5: Solve for x
    x = 6,396,800,400/53,160
  6. Step 6: Final answer
    x = 120,331.08

Related Problems

Find third proportional to 26,580 and 39,990
Half scale
Find third proportional to 106,320 and 159,960
Double scale
Find third proportional to 53,162 and 79,983
Similar ratio
Find third proportional to 79,740 and 119,970
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.