Home / 329,911-706,478

Finding the Third Proportional to 329,911 and 706,478

Calculator

Solution

The third proportional to 329,911 and 706,478 is: 1,512,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,911 : 706,478 = 706,478 : x
  2. Step 2: Convert to fraction form
    329,911/706,478 = 706,478/x
  3. Step 3: Cross multiply
    329,911x = 706,478 × 706,478
  4. Step 4: Simplify right side
    329,911x = 499,111,164,484
  5. Step 5: Solve for x
    x = 499,111,164,484/329,911
  6. Step 6: Final answer
    x = 1,512,866.09

Related Problems

Find third proportional to 164,955.50 and 353,239
Half scale
Find third proportional to 659,822 and 1,412,956
Double scale
Find third proportional to 329,913 and 706,482
Similar ratio
Find third proportional to 494,866.50 and 1,059,717
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.