Home / 611,988-860,286

Finding the Third Proportional to 611,988 and 860,286

Calculator

Solution

The third proportional to 611,988 and 860,286 is: 1,209,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,988 : 860,286 = 860,286 : x
  2. Step 2: Convert to fraction form
    611,988/860,286 = 860,286/x
  3. Step 3: Cross multiply
    611,988x = 860,286 × 860,286
  4. Step 4: Simplify right side
    611,988x = 740,092,001,796
  5. Step 5: Solve for x
    x = 740,092,001,796/611,988
  6. Step 6: Final answer
    x = 1,209,324.37

Related Problems

Find third proportional to 305,994 and 430,143
Half scale
Find third proportional to 1,223,976 and 1,720,572
Double scale
Find third proportional to 611,990 and 860,289
Similar ratio
Find third proportional to 917,982 and 1,290,429
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.