Home / 329,354-709,516

Finding the Third Proportional to 329,354 and 709,516

Calculator

Solution

The third proportional to 329,354 and 709,516 is: 1,528,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,354 : 709,516 = 709,516 : x
  2. Step 2: Convert to fraction form
    329,354/709,516 = 709,516/x
  3. Step 3: Cross multiply
    329,354x = 709,516 × 709,516
  4. Step 4: Simplify right side
    329,354x = 503,412,954,256
  5. Step 5: Solve for x
    x = 503,412,954,256/329,354
  6. Step 6: Final answer
    x = 1,528,485.93

Related Problems

Find third proportional to 164,677 and 354,758
Half scale
Find third proportional to 658,708 and 1,419,032
Double scale
Find third proportional to 329,356 and 709,520
Similar ratio
Find third proportional to 494,031 and 1,064,274
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.