Home / 329,364-708,678

Finding the Third Proportional to 329,364 and 708,678

Calculator

Solution

The third proportional to 329,364 and 708,678 is: 1,524,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,364 : 708,678 = 708,678 : x
  2. Step 2: Convert to fraction form
    329,364/708,678 = 708,678/x
  3. Step 3: Cross multiply
    329,364x = 708,678 × 708,678
  4. Step 4: Simplify right side
    329,364x = 502,224,507,684
  5. Step 5: Solve for x
    x = 502,224,507,684/329,364
  6. Step 6: Final answer
    x = 1,524,831.21

Related Problems

Find third proportional to 164,682 and 354,339
Half scale
Find third proportional to 658,728 and 1,417,356
Double scale
Find third proportional to 329,366 and 708,682
Similar ratio
Find third proportional to 494,046 and 1,063,017
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.