Home / 298,600.50-649,686.50

Finding the Third Proportional to 298,600.50 and 649,686.50

Calculator

Solution

The third proportional to 298,600.50 and 649,686.50 is: 1,413,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,600.50 : 649,686.50 = 649,686.50 : x
  2. Step 2: Convert to fraction form
    298,600.50/649,686.50 = 649,686.50/x
  3. Step 3: Cross multiply
    298,600.50x = 649,686.50 × 649,686.50
  4. Step 4: Simplify right side
    298,600.50x = 422,092,548,282.25
  5. Step 5: Solve for x
    x = 422,092,548,282.25/298,600.50
  6. Step 6: Final answer
    x = 1,413,569.46

Related Problems

Find third proportional to 149,300.25 and 324,843.25
Half scale
Find third proportional to 597,201 and 1,299,373
Double scale
Find third proportional to 298,603 and 649,691
Similar ratio
Find third proportional to 447,900.75 and 974,529.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.