Home / 210,962-281,808

Finding the Third Proportional to 210,962 and 281,808

Calculator

Solution

The third proportional to 210,962 and 281,808 is: 376,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,962 : 281,808 = 281,808 : x
  2. Step 2: Convert to fraction form
    210,962/281,808 = 281,808/x
  3. Step 3: Cross multiply
    210,962x = 281,808 × 281,808
  4. Step 4: Simplify right side
    210,962x = 79,415,748,864
  5. Step 5: Solve for x
    x = 79,415,748,864/210,962
  6. Step 6: Final answer
    x = 376,445.75

Related Problems

Find third proportional to 105,481 and 140,904
Half scale
Find third proportional to 421,924 and 563,616
Double scale
Find third proportional to 210,964 and 281,811
Similar ratio
Find third proportional to 316,443 and 422,712
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.