Home / 286,990-625,650

Finding the Third Proportional to 286,990 and 625,650

Calculator

Solution

The third proportional to 286,990 and 625,650 is: 1,363,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,990 : 625,650 = 625,650 : x
  2. Step 2: Convert to fraction form
    286,990/625,650 = 625,650/x
  3. Step 3: Cross multiply
    286,990x = 625,650 × 625,650
  4. Step 4: Simplify right side
    286,990x = 391,437,922,500
  5. Step 5: Solve for x
    x = 391,437,922,500/286,990
  6. Step 6: Final answer
    x = 1,363,942.72

Related Problems

Find third proportional to 143,495 and 312,825
Half scale
Find third proportional to 573,980 and 1,251,300
Double scale
Find third proportional to 286,992 and 625,654
Similar ratio
Find third proportional to 430,485 and 938,475
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.