Home / 201,789-424,489

Finding the Third Proportional to 201,789 and 424,489

Calculator

Solution

The third proportional to 201,789 and 424,489 is: 892,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,789 : 424,489 = 424,489 : x
  2. Step 2: Convert to fraction form
    201,789/424,489 = 424,489/x
  3. Step 3: Cross multiply
    201,789x = 424,489 × 424,489
  4. Step 4: Simplify right side
    201,789x = 180,190,911,121
  5. Step 5: Solve for x
    x = 180,190,911,121/201,789
  6. Step 6: Final answer
    x = 892,966.97

Related Problems

Find third proportional to 100,894.50 and 212,244.50
Half scale
Find third proportional to 403,578 and 848,978
Double scale
Find third proportional to 201,791 and 424,493
Similar ratio
Find third proportional to 302,683.50 and 636,733.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.