Home / 320,528-683,959

Finding the Third Proportional to 320,528 and 683,959

Calculator

Solution

The third proportional to 320,528 and 683,959 is: 1,459,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,528 : 683,959 = 683,959 : x
  2. Step 2: Convert to fraction form
    320,528/683,959 = 683,959/x
  3. Step 3: Cross multiply
    320,528x = 683,959 × 683,959
  4. Step 4: Simplify right side
    320,528x = 467,799,913,681
  5. Step 5: Solve for x
    x = 467,799,913,681/320,528
  6. Step 6: Final answer
    x = 1,459,466.61

Related Problems

Find third proportional to 160,264 and 341,979.50
Half scale
Find third proportional to 641,056 and 1,367,918
Double scale
Find third proportional to 320,530 and 683,963
Similar ratio
Find third proportional to 480,792 and 1,025,938.50
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.