Home / 144,414-312,880

Finding the Third Proportional to 144,414 and 312,880

Calculator

Solution

The third proportional to 144,414 and 312,880 is: 677,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,414 : 312,880 = 312,880 : x
  2. Step 2: Convert to fraction form
    144,414/312,880 = 312,880/x
  3. Step 3: Cross multiply
    144,414x = 312,880 × 312,880
  4. Step 4: Simplify right side
    144,414x = 97,893,894,400
  5. Step 5: Solve for x
    x = 97,893,894,400/144,414
  6. Step 6: Final answer
    x = 677,869.84

Related Problems

Find third proportional to 72,207 and 156,440
Half scale
Find third proportional to 288,828 and 625,760
Double scale
Find third proportional to 144,416 and 312,884
Similar ratio
Find third proportional to 216,621 and 469,320
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.