Home / 200,358-435,690

Finding the Third Proportional to 200,358 and 435,690

Calculator

Solution

The third proportional to 200,358 and 435,690 is: 947,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,358 : 435,690 = 435,690 : x
  2. Step 2: Convert to fraction form
    200,358/435,690 = 435,690/x
  3. Step 3: Cross multiply
    200,358x = 435,690 × 435,690
  4. Step 4: Simplify right side
    200,358x = 189,825,776,100
  5. Step 5: Solve for x
    x = 189,825,776,100/200,358
  6. Step 6: Final answer
    x = 947,432.98

Related Problems

Find third proportional to 100,179 and 217,845
Half scale
Find third proportional to 400,716 and 871,380
Double scale
Find third proportional to 200,360 and 435,694
Similar ratio
Find third proportional to 300,537 and 653,535
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.