Home / 281,175.75-400,729.50

Finding the Third Proportional to 281,175.75 and 400,729.50

Calculator

Solution

The third proportional to 281,175.75 and 400,729.50 is: 571,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,175.75 : 400,729.50 = 400,729.50 : x
  2. Step 2: Convert to fraction form
    281,175.75/400,729.50 = 400,729.50/x
  3. Step 3: Cross multiply
    281,175.75x = 400,729.50 × 400,729.50
  4. Step 4: Simplify right side
    281,175.75x = 160,584,132,170.25
  5. Step 5: Solve for x
    x = 160,584,132,170.25/281,175.75
  6. Step 6: Final answer
    x = 571,116.58

Related Problems

Find third proportional to 140,587.88 and 200,364.75
Half scale
Find third proportional to 562,351.50 and 801,459
Double scale
Find third proportional to 281,178 and 400,732
Similar ratio
Find third proportional to 421,763.63 and 601,094.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.