Home / 329,074-699,669

Finding the Third Proportional to 329,074 and 699,669

Calculator

Solution

The third proportional to 329,074 and 699,669 is: 1,487,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,074 : 699,669 = 699,669 : x
  2. Step 2: Convert to fraction form
    329,074/699,669 = 699,669/x
  3. Step 3: Cross multiply
    329,074x = 699,669 × 699,669
  4. Step 4: Simplify right side
    329,074x = 489,536,709,561
  5. Step 5: Solve for x
    x = 489,536,709,561/329,074
  6. Step 6: Final answer
    x = 1,487,618.92

Related Problems

Find third proportional to 164,537 and 349,834.50
Half scale
Find third proportional to 658,148 and 1,399,338
Double scale
Find third proportional to 329,076 and 699,673
Similar ratio
Find third proportional to 493,611 and 1,049,503.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.