Home / 306,427-506,419

Finding the Third Proportional to 306,427 and 506,419

Calculator

Solution

The third proportional to 306,427 and 506,419 is: 836,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,427 : 506,419 = 506,419 : x
  2. Step 2: Convert to fraction form
    306,427/506,419 = 506,419/x
  3. Step 3: Cross multiply
    306,427x = 506,419 × 506,419
  4. Step 4: Simplify right side
    306,427x = 256,460,203,561
  5. Step 5: Solve for x
    x = 256,460,203,561/306,427
  6. Step 6: Final answer
    x = 836,937.36

Related Problems

Find third proportional to 153,213.50 and 253,209.50
Half scale
Find third proportional to 612,854 and 1,012,838
Double scale
Find third proportional to 306,429 and 506,422
Similar ratio
Find third proportional to 459,640.50 and 759,628.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.