Home / 281,016-421,528

Finding the Third Proportional to 281,016 and 421,528

Calculator

Solution

The third proportional to 281,016 and 421,528 is: 632,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,016 : 421,528 = 421,528 : x
  2. Step 2: Convert to fraction form
    281,016/421,528 = 421,528/x
  3. Step 3: Cross multiply
    281,016x = 421,528 × 421,528
  4. Step 4: Simplify right side
    281,016x = 177,685,854,784
  5. Step 5: Solve for x
    x = 177,685,854,784/281,016
  6. Step 6: Final answer
    x = 632,298.00

Related Problems

Find third proportional to 140,508 and 210,764
Half scale
Find third proportional to 562,032 and 843,056
Double scale
Find third proportional to 281,018 and 421,531
Similar ratio
Find third proportional to 421,524 and 632,292
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.