Home / 283,073.50-434,438.50

Finding the Third Proportional to 283,073.50 and 434,438.50

Calculator

Solution

The third proportional to 283,073.50 and 434,438.50 is: 666,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,073.50 : 434,438.50 = 434,438.50 : x
  2. Step 2: Convert to fraction form
    283,073.50/434,438.50 = 434,438.50/x
  3. Step 3: Cross multiply
    283,073.50x = 434,438.50 × 434,438.50
  4. Step 4: Simplify right side
    283,073.50x = 188,736,810,282.25
  5. Step 5: Solve for x
    x = 188,736,810,282.25/283,073.50
  6. Step 6: Final answer
    x = 666,741.36

Related Problems

Find third proportional to 141,536.75 and 217,219.25
Half scale
Find third proportional to 566,147 and 868,877
Double scale
Find third proportional to 283,076 and 434,442
Similar ratio
Find third proportional to 424,610.25 and 651,657.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.