Home / 312,308-694,488

Finding the Third Proportional to 312,308 and 694,488

Calculator

Solution

The third proportional to 312,308 and 694,488 is: 1,544,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,308 : 694,488 = 694,488 : x
  2. Step 2: Convert to fraction form
    312,308/694,488 = 694,488/x
  3. Step 3: Cross multiply
    312,308x = 694,488 × 694,488
  4. Step 4: Simplify right side
    312,308x = 482,313,582,144
  5. Step 5: Solve for x
    x = 482,313,582,144/312,308
  6. Step 6: Final answer
    x = 1,544,352.31

Related Problems

Find third proportional to 156,154 and 347,244
Half scale
Find third proportional to 624,616 and 1,388,976
Double scale
Find third proportional to 312,310 and 694,492
Similar ratio
Find third proportional to 468,462 and 1,041,732
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.