Home / 312,556-484,278

Finding the Third Proportional to 312,556 and 484,278

Calculator

Solution

The third proportional to 312,556 and 484,278 is: 750,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,556 : 484,278 = 484,278 : x
  2. Step 2: Convert to fraction form
    312,556/484,278 = 484,278/x
  3. Step 3: Cross multiply
    312,556x = 484,278 × 484,278
  4. Step 4: Simplify right side
    312,556x = 234,525,181,284
  5. Step 5: Solve for x
    x = 234,525,181,284/312,556
  6. Step 6: Final answer
    x = 750,346.12

Related Problems

Find third proportional to 156,278 and 242,139
Half scale
Find third proportional to 625,112 and 968,556
Double scale
Find third proportional to 312,558 and 484,281
Similar ratio
Find third proportional to 468,834 and 726,417
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.