Home / 316,656-495,720

Finding the Third Proportional to 316,656 and 495,720

Calculator

Solution

The third proportional to 316,656 and 495,720 is: 776,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,656 : 495,720 = 495,720 : x
  2. Step 2: Convert to fraction form
    316,656/495,720 = 495,720/x
  3. Step 3: Cross multiply
    316,656x = 495,720 × 495,720
  4. Step 4: Simplify right side
    316,656x = 245,738,318,400
  5. Step 5: Solve for x
    x = 245,738,318,400/316,656
  6. Step 6: Final answer
    x = 776,041.88

Related Problems

Find third proportional to 158,328 and 247,860
Half scale
Find third proportional to 633,312 and 991,440
Double scale
Find third proportional to 316,658 and 495,723
Similar ratio
Find third proportional to 474,984 and 743,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.