Home / 210,996-281,856

Finding the Third Proportional to 210,996 and 281,856

Calculator

Solution

The third proportional to 210,996 and 281,856 is: 376,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,996 : 281,856 = 281,856 : x
  2. Step 2: Convert to fraction form
    210,996/281,856 = 281,856/x
  3. Step 3: Cross multiply
    210,996x = 281,856 × 281,856
  4. Step 4: Simplify right side
    210,996x = 79,442,804,736
  5. Step 5: Solve for x
    x = 79,442,804,736/210,996
  6. Step 6: Final answer
    x = 376,513.32

Related Problems

Find third proportional to 105,498 and 140,928
Half scale
Find third proportional to 421,992 and 563,712
Double scale
Find third proportional to 210,998 and 281,859
Similar ratio
Find third proportional to 316,494 and 422,784
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.