Home / 133,683-289,182

Finding the Third Proportional to 133,683 and 289,182

Calculator

Solution

The third proportional to 133,683 and 289,182 is: 625,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,683 : 289,182 = 289,182 : x
  2. Step 2: Convert to fraction form
    133,683/289,182 = 289,182/x
  3. Step 3: Cross multiply
    133,683x = 289,182 × 289,182
  4. Step 4: Simplify right side
    133,683x = 83,626,229,124
  5. Step 5: Solve for x
    x = 83,626,229,124/133,683
  6. Step 6: Final answer
    x = 625,556.20

Related Problems

Find third proportional to 66,841.50 and 144,591
Half scale
Find third proportional to 267,366 and 578,364
Double scale
Find third proportional to 133,685 and 289,186
Similar ratio
Find third proportional to 200,524.50 and 433,773
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.