Home / 144,723-312,846

Finding the Third Proportional to 144,723 and 312,846

Calculator

Solution

The third proportional to 144,723 and 312,846 is: 676,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,723 : 312,846 = 312,846 : x
  2. Step 2: Convert to fraction form
    144,723/312,846 = 312,846/x
  3. Step 3: Cross multiply
    144,723x = 312,846 × 312,846
  4. Step 4: Simplify right side
    144,723x = 97,872,619,716
  5. Step 5: Solve for x
    x = 97,872,619,716/144,723
  6. Step 6: Final answer
    x = 676,275.50

Related Problems

Find third proportional to 72,361.50 and 156,423
Half scale
Find third proportional to 289,446 and 625,692
Double scale
Find third proportional to 144,725 and 312,850
Similar ratio
Find third proportional to 217,084.50 and 469,269
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.