Home / 310,656-477,342

Finding the Third Proportional to 310,656 and 477,342

Calculator

Solution

The third proportional to 310,656 and 477,342 is: 733,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,656 : 477,342 = 477,342 : x
  2. Step 2: Convert to fraction form
    310,656/477,342 = 477,342/x
  3. Step 3: Cross multiply
    310,656x = 477,342 × 477,342
  4. Step 4: Simplify right side
    310,656x = 227,855,384,964
  5. Step 5: Solve for x
    x = 227,855,384,964/310,656
  6. Step 6: Final answer
    x = 733,465.26

Related Problems

Find third proportional to 155,328 and 238,671
Half scale
Find third proportional to 621,312 and 954,684
Double scale
Find third proportional to 310,658 and 477,345
Similar ratio
Find third proportional to 465,984 and 716,013
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.