Home / 201,255-430,690.50

Finding the Third Proportional to 201,255 and 430,690.50

Calculator

Solution

The third proportional to 201,255 and 430,690.50 is: 921,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,255 : 430,690.50 = 430,690.50 : x
  2. Step 2: Convert to fraction form
    201,255/430,690.50 = 430,690.50/x
  3. Step 3: Cross multiply
    201,255x = 430,690.50 × 430,690.50
  4. Step 4: Simplify right side
    201,255x = 185,494,306,790.25
  5. Step 5: Solve for x
    x = 185,494,306,790.25/201,255
  6. Step 6: Final answer
    x = 921,687.94

Related Problems

Find third proportional to 100,627.50 and 215,345.25
Half scale
Find third proportional to 402,510 and 861,381
Double scale
Find third proportional to 201,257 and 430,695
Similar ratio
Find third proportional to 301,882.50 and 646,035.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.