Home / 631,500-857,310

Finding the Third Proportional to 631,500 and 857,310

Calculator

Solution

The third proportional to 631,500 and 857,310 is: 1,163,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,500 : 857,310 = 857,310 : x
  2. Step 2: Convert to fraction form
    631,500/857,310 = 857,310/x
  3. Step 3: Cross multiply
    631,500x = 857,310 × 857,310
  4. Step 4: Simplify right side
    631,500x = 734,980,436,100
  5. Step 5: Solve for x
    x = 734,980,436,100/631,500
  6. Step 6: Final answer
    x = 1,163,864.51

Related Problems

Find third proportional to 315,750 and 428,655
Half scale
Find third proportional to 1,263,000 and 1,714,620
Double scale
Find third proportional to 631,502 and 857,313
Similar ratio
Find third proportional to 947,250 and 1,285,965
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.