Home / 286,902-612,846

Finding the Third Proportional to 286,902 and 612,846

Calculator

Solution

The third proportional to 286,902 and 612,846 is: 1,309,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,902 : 612,846 = 612,846 : x
  2. Step 2: Convert to fraction form
    286,902/612,846 = 612,846/x
  3. Step 3: Cross multiply
    286,902x = 612,846 × 612,846
  4. Step 4: Simplify right side
    286,902x = 375,580,219,716
  5. Step 5: Solve for x
    x = 375,580,219,716/286,902
  6. Step 6: Final answer
    x = 1,309,088.89

Related Problems

Find third proportional to 143,451 and 306,423
Half scale
Find third proportional to 573,804 and 1,225,692
Double scale
Find third proportional to 286,904 and 612,850
Similar ratio
Find third proportional to 430,353 and 919,269
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.