Home / 306,850-656,347

Finding the Third Proportional to 306,850 and 656,347

Calculator

Solution

The third proportional to 306,850 and 656,347 is: 1,403,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,850 : 656,347 = 656,347 : x
  2. Step 2: Convert to fraction form
    306,850/656,347 = 656,347/x
  3. Step 3: Cross multiply
    306,850x = 656,347 × 656,347
  4. Step 4: Simplify right side
    306,850x = 430,791,384,409
  5. Step 5: Solve for x
    x = 430,791,384,409/306,850
  6. Step 6: Final answer
    x = 1,403,915.22

Related Problems

Find third proportional to 153,425 and 328,173.50
Half scale
Find third proportional to 613,700 and 1,312,694
Double scale
Find third proportional to 306,852 and 656,351
Similar ratio
Find third proportional to 460,275 and 984,520.50
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.