Home / 281,040-421,566

Finding the Third Proportional to 281,040 and 421,566

Calculator

Solution

The third proportional to 281,040 and 421,566 is: 632,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,040 : 421,566 = 421,566 : x
  2. Step 2: Convert to fraction form
    281,040/421,566 = 421,566/x
  3. Step 3: Cross multiply
    281,040x = 421,566 × 421,566
  4. Step 4: Simplify right side
    281,040x = 177,717,892,356
  5. Step 5: Solve for x
    x = 177,717,892,356/281,040
  6. Step 6: Final answer
    x = 632,358.00

Related Problems

Find third proportional to 140,520 and 210,783
Half scale
Find third proportional to 562,080 and 843,132
Double scale
Find third proportional to 281,042 and 421,569
Similar ratio
Find third proportional to 421,560 and 632,349
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.