Home / 210,278-326,505

Finding the Third Proportional to 210,278 and 326,505

Calculator

Solution

The third proportional to 210,278 and 326,505 is: 506,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,278 : 326,505 = 326,505 : x
  2. Step 2: Convert to fraction form
    210,278/326,505 = 326,505/x
  3. Step 3: Cross multiply
    210,278x = 326,505 × 326,505
  4. Step 4: Simplify right side
    210,278x = 106,605,515,025
  5. Step 5: Solve for x
    x = 106,605,515,025/210,278
  6. Step 6: Final answer
    x = 506,974.17

Related Problems

Find third proportional to 105,139 and 163,252.50
Half scale
Find third proportional to 420,556 and 653,010
Double scale
Find third proportional to 210,280 and 326,508
Similar ratio
Find third proportional to 315,417 and 489,757.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.