Home / 879,840-1,689,696

Finding the Third Proportional to 879,840 and 1,689,696

Calculator

Solution

The third proportional to 879,840 and 1,689,696 is: 3,244,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,840 : 1,689,696 = 1,689,696 : x
  2. Step 2: Convert to fraction form
    879,840/1,689,696 = 1,689,696/x
  3. Step 3: Cross multiply
    879,840x = 1,689,696 × 1,689,696
  4. Step 4: Simplify right side
    879,840x = 2,855,072,572,416
  5. Step 5: Solve for x
    x = 2,855,072,572,416/879,840
  6. Step 6: Final answer
    x = 3,244,990.65

Related Problems

Find third proportional to 439,920 and 844,848
Half scale
Find third proportional to 1,759,680 and 3,379,392
Double scale
Find third proportional to 879,842 and 1,689,700
Similar ratio
Find third proportional to 1,319,760 and 2,534,544
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.