Home / 228,079-328,540

Finding the Third Proportional to 228,079 and 328,540

Calculator

Solution

The third proportional to 228,079 and 328,540 is: 473,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,079 : 328,540 = 328,540 : x
  2. Step 2: Convert to fraction form
    228,079/328,540 = 328,540/x
  3. Step 3: Cross multiply
    228,079x = 328,540 × 328,540
  4. Step 4: Simplify right side
    228,079x = 107,938,531,600
  5. Step 5: Solve for x
    x = 107,938,531,600/228,079
  6. Step 6: Final answer
    x = 473,250.64

Related Problems

Find third proportional to 114,039.50 and 164,270
Half scale
Find third proportional to 456,158 and 657,080
Double scale
Find third proportional to 228,081 and 328,543
Similar ratio
Find third proportional to 342,118.50 and 492,810
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.