Home / 77,299-178,960

Finding the Third Proportional to 77,299 and 178,960

Calculator

Solution

The third proportional to 77,299 and 178,960 is: 414,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299 : 178,960 = 178,960 : x
  2. Step 2: Convert to fraction form
    77,299/178,960 = 178,960/x
  3. Step 3: Cross multiply
    77,299x = 178,960 × 178,960
  4. Step 4: Simplify right side
    77,299x = 32,026,681,600
  5. Step 5: Solve for x
    x = 32,026,681,600/77,299
  6. Step 6: Final answer
    x = 414,322.07

Related Problems

Find third proportional to 38,649.50 and 89,480
Half scale
Find third proportional to 154,598 and 357,920
Double scale
Find third proportional to 77,301 and 178,965
Similar ratio
Find third proportional to 115,948.50 and 268,440
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.