Home / 28,870-40,894

Finding the Third Proportional to 28,870 and 40,894

Calculator

Solution

The third proportional to 28,870 and 40,894 is: 57,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870 : 40,894 = 40,894 : x
  2. Step 2: Convert to fraction form
    28,870/40,894 = 40,894/x
  3. Step 3: Cross multiply
    28,870x = 40,894 × 40,894
  4. Step 4: Simplify right side
    28,870x = 1,672,319,236
  5. Step 5: Solve for x
    x = 1,672,319,236/28,870
  6. Step 6: Final answer
    x = 57,925.85

Related Problems

Find third proportional to 14,435 and 20,447
Half scale
Find third proportional to 57,740 and 81,788
Double scale
Find third proportional to 28,872 and 40,897
Similar ratio
Find third proportional to 43,305 and 61,341
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.