Home / 413,940-623,328

Finding the Third Proportional to 413,940 and 623,328

Calculator

Solution

The third proportional to 413,940 and 623,328 is: 938,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,940 : 623,328 = 623,328 : x
  2. Step 2: Convert to fraction form
    413,940/623,328 = 623,328/x
  3. Step 3: Cross multiply
    413,940x = 623,328 × 623,328
  4. Step 4: Simplify right side
    413,940x = 388,537,795,584
  5. Step 5: Solve for x
    x = 388,537,795,584/413,940
  6. Step 6: Final answer
    x = 938,633.12

Related Problems

Find third proportional to 206,970 and 311,664
Half scale
Find third proportional to 827,880 and 1,246,656
Double scale
Find third proportional to 413,942 and 623,331
Similar ratio
Find third proportional to 620,910 and 934,992
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.