Home / 77,964-121,504

Finding the Third Proportional to 77,964 and 121,504

Calculator

Solution

The third proportional to 77,964 and 121,504 is: 189,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964 : 121,504 = 121,504 : x
  2. Step 2: Convert to fraction form
    77,964/121,504 = 121,504/x
  3. Step 3: Cross multiply
    77,964x = 121,504 × 121,504
  4. Step 4: Simplify right side
    77,964x = 14,763,222,016
  5. Step 5: Solve for x
    x = 14,763,222,016/77,964
  6. Step 6: Final answer
    x = 189,359.47

Related Problems

Find third proportional to 38,982 and 60,752
Half scale
Find third proportional to 155,928 and 243,008
Double scale
Find third proportional to 77,966 and 121,507
Similar ratio
Find third proportional to 116,946 and 182,256
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.