Home / 281,020-421,536

Finding the Third Proportional to 281,020 and 421,536

Calculator

Solution

The third proportional to 281,020 and 421,536 is: 632,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,020 : 421,536 = 421,536 : x
  2. Step 2: Convert to fraction form
    281,020/421,536 = 421,536/x
  3. Step 3: Cross multiply
    281,020x = 421,536 × 421,536
  4. Step 4: Simplify right side
    281,020x = 177,692,599,296
  5. Step 5: Solve for x
    x = 177,692,599,296/281,020
  6. Step 6: Final answer
    x = 632,313.00

Related Problems

Find third proportional to 140,510 and 210,768
Half scale
Find third proportional to 562,040 and 843,072
Double scale
Find third proportional to 281,022 and 421,539
Similar ratio
Find third proportional to 421,530 and 632,304
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.