Home / 329,020-720,876

Finding the Third Proportional to 329,020 and 720,876

Calculator

Solution

The third proportional to 329,020 and 720,876 is: 1,579,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,020 : 720,876 = 720,876 : x
  2. Step 2: Convert to fraction form
    329,020/720,876 = 720,876/x
  3. Step 3: Cross multiply
    329,020x = 720,876 × 720,876
  4. Step 4: Simplify right side
    329,020x = 519,662,207,376
  5. Step 5: Solve for x
    x = 519,662,207,376/329,020
  6. Step 6: Final answer
    x = 1,579,424.37

Related Problems

Find third proportional to 164,510 and 360,438
Half scale
Find third proportional to 658,040 and 1,441,752
Double scale
Find third proportional to 329,022 and 720,880
Similar ratio
Find third proportional to 493,530 and 1,081,314
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.