Home / 149,904-316,536

Finding the Third Proportional to 149,904 and 316,536

Calculator

Solution

The third proportional to 149,904 and 316,536 is: 668,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,904 : 316,536 = 316,536 : x
  2. Step 2: Convert to fraction form
    149,904/316,536 = 316,536/x
  3. Step 3: Cross multiply
    149,904x = 316,536 × 316,536
  4. Step 4: Simplify right side
    149,904x = 100,195,039,296
  5. Step 5: Solve for x
    x = 100,195,039,296/149,904
  6. Step 6: Final answer
    x = 668,394.70

Related Problems

Find third proportional to 74,952 and 158,268
Half scale
Find third proportional to 299,808 and 633,072
Double scale
Find third proportional to 149,906 and 316,540
Similar ratio
Find third proportional to 224,856 and 474,804
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.