Home / 285,211.38-438,428.44

Finding the Third Proportional to 285,211.38 and 438,428.44

Calculator

Solution

The third proportional to 285,211.38 and 438,428.44 is: 673,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,211.38 : 438,428.44 = 438,428.44 : x
  2. Step 2: Convert to fraction form
    285,211.38/438,428.44 = 438,428.44/x
  3. Step 3: Cross multiply
    285,211.38x = 438,428.44 × 438,428.44
  4. Step 4: Simplify right side
    285,211.38x = 192,219,494,808.69
  5. Step 5: Solve for x
    x = 192,219,494,808.69/285,211.38
  6. Step 6: Final answer
    x = 673,954.52

Related Problems

Find third proportional to 142,605.69 and 219,214.22
Half scale
Find third proportional to 570,422.75 and 876,856.88
Double scale
Find third proportional to 285,213 and 438,432
Similar ratio
Find third proportional to 427,817.06 and 657,642.66
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.