Home / 310,658-477,345

Finding the Third Proportional to 310,658 and 477,345

Calculator

Solution

The third proportional to 310,658 and 477,345 is: 733,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,658 : 477,345 = 477,345 : x
  2. Step 2: Convert to fraction form
    310,658/477,345 = 477,345/x
  3. Step 3: Cross multiply
    310,658x = 477,345 × 477,345
  4. Step 4: Simplify right side
    310,658x = 227,858,249,025
  5. Step 5: Solve for x
    x = 227,858,249,025/310,658
  6. Step 6: Final answer
    x = 733,469.76

Related Problems

Find third proportional to 155,329 and 238,672.50
Half scale
Find third proportional to 621,316 and 954,690
Double scale
Find third proportional to 310,660 and 477,348
Similar ratio
Find third proportional to 465,987 and 716,017.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.