Home / 321,696-696,345

Finding the Third Proportional to 321,696 and 696,345

Calculator

Solution

The third proportional to 321,696 and 696,345 is: 1,507,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,696 : 696,345 = 696,345 : x
  2. Step 2: Convert to fraction form
    321,696/696,345 = 696,345/x
  3. Step 3: Cross multiply
    321,696x = 696,345 × 696,345
  4. Step 4: Simplify right side
    321,696x = 484,896,359,025
  5. Step 5: Solve for x
    x = 484,896,359,025/321,696
  6. Step 6: Final answer
    x = 1,507,312.37

Related Problems

Find third proportional to 160,848 and 348,172.50
Half scale
Find third proportional to 643,392 and 1,392,690
Double scale
Find third proportional to 321,698 and 696,349
Similar ratio
Find third proportional to 482,544 and 1,044,517.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.